Display the data sponsor and data manager in the dashboard listing (#2247)

Closes #2236 

<img width="1036" height="675" alt="Screenshot 2025-11-25 at 3 07 41 PM"
src="https://github.com/user-attachments/assets/3b6a2189-7f71-4b17-97e5-e66c8fed3cb3"
/>

Author: hectorcorrea

app/assets/stylesheets/_dashboard.scss

@@ -201,6 +201,18 @@
         align-items: center;
         gap: 1rem;
 
+        .data-sponsor {
+          text-transform: none;
+        }
+
+        .data-manager {
+          text-transform: none;
+        }
+
+        .netid-large {
+          text-transform: none;
+        }
+
         .path {
           display: flex;
           align-items: center;

app/models/user.rb

@@ -97,6 +97,13 @@ def display_name_safe
     [given_name, family_name, "(#{uid})"].compact.join(" ")
   end
 
+  # Return the display name if it exists, otherwise return the uid
+  # @return [String]
+  def display_name_only_safe
+    return uid if given_name.blank? && family_name.blank?
+    [given_name, family_name].compact.join(" ")
+  end
+
   # Is this user eligible to be a data sponsor in this environment?
   # @return [Boolean]
   def eligible_sponsor?

app/views/dashboard/_project_list_view.html.erb

@@ -4,6 +4,13 @@
             <div class="title">
                 <a class="click-row" href="<%= project_path(project.id) %>" tabindex="0" ><%= project.title %></a>
             </div>
+            <div class="summary">
+                <span class="data-sponsor"><b>Data Sponsor:</b> <%= project.data_sponsor.display_name_only_safe %></span>
+                <span class="netid-large"><%= project.data_sponsor.uid %></span>
+                |
+                <span class="data-manager"><b>Data Manager:</b> <%= project.data_manager.display_name_only_safe %></span>
+                <span class="netid-large"><%= project.data_manager.uid %></span>
+            </div>
             <div class="summary">
                 <div class="path"> <%= project.path %></div>
             </div>

spec/system/dashboard_spec.rb

@@ -58,10 +58,18 @@
 
         expect(page).to have_content "Sponsor"
         expect(page).to have_content "project 111"
+        expect(page).to have_content "Data Sponsor: #{current_user.display_name_only_safe}\n#{current_user.uid}"
+        expect(page).to have_content "Data Manager: #{other_user.display_name_only_safe}\n#{other_user.uid}"
+
         expect(page).to have_content "Data Manager"
         expect(page).to have_content "project 222"
+        expect(page).to have_content "Data Sponsor: #{other_user.display_name_only_safe}\n#{other_user.uid}"
+        expect(page).to have_content "Data Manager: #{current_user.display_name_only_safe}\n#{current_user.uid}"
+
         expect(page).to have_content "Data User"
         expect(page).to have_content "project 333"
+        expect(page).to have_content "Data Sponsor: #{other_user.display_name_only_safe}\n#{other_user.uid}"
+        expect(page).to have_content "Data Manager: #{other_user.display_name_only_safe}\n#{other_user.uid}"
       end
 
       it "shows the latests downloads available" do