[DPC-5081] Standardize navigation (#2904)

## 🎫 Ticket

https://jira.cms.gov/browse/DPC-5081

## 🛠 Changes

Makes site navigation consistent across pages.

## ℹ️ Context

Standardizing navigation across the site will allow for a more
consistent user experience.

## 🧪 Validation

TOS - added "return to organization list" link, removed "cancel" button
<img width="1016" height="778" alt="image"
src="https://github.com/user-attachments/assets/226e17ae-32cc-42d5-a92a-cf02aca1772a"
/>

Org detail - added "return to organization list" link
<img width="988" height="785" alt="image"
src="https://github.com/user-attachments/assets/55ff6c7f-26af-4d24-b84d-9535e449bfee"
/>

Assign CD - added "back to organization" link, removed "go back" button
<img width="585" height="928" alt="image"
src="https://github.com/user-attachments/assets/041de676-9aff-4831-915a-3725bdfa5c0e"
/>

Generate token - added "back to organization" link
<img width="510" height="415" alt="image"
src="https://github.com/user-attachments/assets/f4a57a96-fc57-44a4-b20d-03bc573e6e33"
/>

Add key - added "back to organization" link
<img width="525" height="933" alt="image"
src="https://github.com/user-attachments/assets/bc58f70c-6e3f-43b6-b00d-184bd13f3b07"
/>

Add IP - added "back to organization" link
<img width="551" height="589" alt="image"
src="https://github.com/user-attachments/assets/7033abb0-2a77-4cde-888d-7d9f550f6aba"
/>

Show token - added "back to organization" link, removed "return to
portal" button
<img width="615" height="547" alt="image"
src="https://github.com/user-attachments/assets/4e7ff1c9-2c84-49b8-ad74-0e27e1d05a26"
/>

Author: ashley-weaver

dpc-portal/app/components/page/client_token/new_token_component.html.erb

@@ -1,5 +1,5 @@
 <div>
-  <div class="margin-bottom-5">&larr; <%= link_to @organization.name, organization_path(organization.path_id) %></div>
+  <div class="margin-bottom-5">&larr; <%= link_to 'Back to organization', organization_path(organization.path_id) %></div>
   <h1>Create a new client token</h1>
   <div>
     <h2>New token for <%= organization.name %></h2>

dpc-portal/app/components/page/client_token/show_token_component.html.erb

@@ -1,5 +1,5 @@
 <div>
-  <div class="margin-top-5 margin-bottom-5">&larr; <%= link_to organization.name, organization_path(organization, credential_start: :true) %></div>
+  <div class="margin-top-5 margin-bottom-5">&larr; <%= link_to 'Back to organization', organization_path(organization, credential_start: :true) %></div>
   <h1>Client token created</h1>
   <div>
     <h2>"<%= client_token['label'] %>" created for <%= organization.name %></h2>
@@ -12,6 +12,5 @@
         </p>
       </div>
     </div>
-    <%= render(Core::Button::ButtonComponent.new(label: 'Return to portal', destination: root_url)) %>
   </div>
 </div>

dpc-portal/app/components/page/credential_delegate/new_invitation_component.html.erb

@@ -2,6 +2,7 @@
     <%= javascript_include_tag 'validation_helpers.js' %>
 <% end %>
 
+<div class="margin-bottom-5">&larr; <%= link_to 'Back to organization', organization_path(organization.path_id) %></div>
 <div>
   <% unless cd_invite.errors[:base].empty? %>
     <div class="usa-alert usa-alert--error margin-bottom-4">
@@ -43,7 +44,6 @@
           attribute: :invited_email_confirmation,
           error_msg: cd_invite.errors[:invited_email_confirmation]&.first,
           default: cd_invite.invited_email_confirmation)) %>
-      <%= link_to 'Go Back', organization_path(organization.path_id), class: ['usa-button', 'usa-button--outline'] %>
       <%= submit_tag('Send invite', class: "usa-button") %>
     <% end %>
     <a id="modal-opener" href="#verify-modal" aria-controls="verify-modal" class="display-none" data-open-modal>Send invite</a>

dpc-portal/app/components/page/ip_address/new_address_component.html.erb

@@ -1,5 +1,5 @@
 <div>
-    <div class="margin-bottom-5">&larr; <%= link_to @organization.name, organization_path(organization.path_id) %></div>
+    <div class="margin-bottom-5">&larr; <%= link_to 'Back to organization', organization_path(organization.path_id) %></div>
     <h1>Add public IP address</h1>
 
     <section class="box">

dpc-portal/app/components/page/organization/compound_show_component.html.erb

@@ -1,3 +1,4 @@
+<div class="margin-bottom-5">&larr; <%= link_to 'Return to organization list', organizations_path %></div>
 <div>
   <h1><%= @organization.name %></h1>
   <div class="margin-bottom-3 display-flex flex-row flex-start" style="gap:20px;">

dpc-portal/app/components/page/organization/tos_form_component.html.erb

@@ -1,3 +1,4 @@
+<div class="margin-bottom-5">&larr; <%= link_to 'Return to organization list', organizations_path %></div>
 <div>
   <h1>Add new organization</h1>
   <h2>Sign Terms of Service</h2>
@@ -12,9 +13,6 @@
         <li class="usa-button-group__item">
           <%= button_to 'I have read and accepted the Terms of Service', sign_tos_organization_path(@organization), class: 'usa-button' %>
         </li>
-        <li class="usa-button-group__item">
-          <%= button_to 'Cancel', organizations_path, class: ['usa-button', 'usa-button--unstyled', 'padding-105', 'text-center'], method: :get %>
-        </li>
       </ul>
   </div>
 </div>

dpc-portal/app/components/page/public_key/new_key_component.html.erb

@@ -1,5 +1,5 @@
 <div>
-    <div class="margin-bottom-5">&larr; <%= link_to @organization.name, organization_path(organization.path_id) %></div>
+    <div class="margin-bottom-5">&larr; <%= link_to 'Back to organization', organization_path(organization.path_id) %></div>
     <h1>Add public key</h1>
 
     <section class="box">

dpc-portal/spec/components/page/client_token/new_token_component_spec.rb

@@ -16,7 +16,7 @@
     let(:expected_html) do
       <<~HTML
         <div>
-          <div class="margin-bottom-5">← <a href="/portal/organizations/#{org.path_id}">#{org.name}</a></div>
+          <div class="margin-bottom-5">← <a href="/portal/organizations/#{org.path_id}">Back to organization</a></div>
           <h1>Create a new client token</h1>
           <div>
             <h2>New token for #{org.name}</h2>

dpc-portal/spec/components/page/client_token/show_token_component_spec.rb

@@ -16,7 +16,7 @@
     let(:expected_html) do
       <<~HTML
         <div>
-          <div class="margin-top-5 margin-bottom-5">← <a href="/portal/organizations/#{org.path_id}?credential_start=true">#{org.name}</a></div>
+          <div class="margin-top-5 margin-bottom-5">← <a href="/portal/organizations/#{org.path_id}?credential_start=true">Back to organization</a></div>
           <h1>Client token created</h1>
           <div>
             <h2>"Your token" created for #{org.name}</h2>
@@ -34,9 +34,6 @@
                 </p>
               </div>
             </div>
-            <form class="button_to" method="get" action="http://test.host/portal/">
-              <button class="usa-button" type="submit">Return to portal</button>
-            </form>
           </div>
         </div>
       HTML

dpc-portal/spec/components/page/ip_address/new_address_component_spec.rb

@@ -17,7 +17,7 @@
       let(:expected_html) do
         <<~HTML
           <div>
-            <div class="margin-bottom-5">← <a href="/portal/organizations/#{org.path_id}">#{org.name}</a></div>
+            <div class="margin-bottom-5">← <a href="/portal/organizations/#{org.path_id}">Back to organization</a></div>
             <h1>Add public IP address</h1>
             <section class="box">
               <div>