Fix: missing user role caps for view permissions

[jonwaldstein]

Resolves GIVE-3047

Description

This fixes issues with the view_give_forms permissions on existing sites

Affects

• Existing user roles viewing campaigns in the admin

Visuals

N/A

Testing Instructions

ZIP: https://github.com/impress-org/givewp/actions/runs/21143224994

• Before using this PR, create a site with the latest version of GiveWP (master branch) and add user roles like admin and give manager
• Update the existing site to this PR
• Make sure they can see the campaign page and menu item in admin
• You can also use the user role editor plugin to check for view_give_forms permissions directly

Pre-review Checklist

• Acceptance criteria satisfied and marked in related issue
• Relevant @unreleased tags included in DocBlocks
• Includes unit tests
• Reviewed by the designer (if follows a design)
• Self Review of code and UX completed

[glaubersilva]

@jonwaldstein Thanks for this fix! Great work with the tests covering a lot of scenarios.

I left a comment related to a minor thing, but overall it's working well - I followed the tests intructions an it worked as expected. Ready to QA!

[glaubersilva]

Can we consolidate these changes into a single unreleased tag?

[jonwaldstein]

Resolved 178d6f3