Fix PSF membership link (#2787) with dynamic logic #2799
  Add this suggestion to a batch that can be applied as a single commit.
  This suggestion is invalid because no changes were made to the code.
  Suggestions cannot be applied while the pull request is closed.
  Suggestions cannot be applied while viewing a subset of changes.
  Only one suggestion per line can be applied in a batch.
  Add this suggestion to a batch that can be applied as a single commit.
  Applying suggestions on deleted lines is not supported.
  You must change the existing code in this line in order to create a valid suggestion.
  Outdated suggestions cannot be applied.
  This suggestion has been applied or marked resolved.
  Suggestions cannot be applied from pending reviews.
  Suggestions cannot be applied on multi-line comments.
  Suggestions cannot be applied while the pull request is queued to merge.
  Suggestion cannot be applied right now. Please check back later.
  
    
  
    
Summary
Fixes #2766 — Clicking the PSF membership link previously led to
/users/membership/edit/,causing a 404 for unauthenticated users. This PR updates the link rendering logic and adds tests.
Changes
templates/includes/authenticated.htmlto dynamically choose:/users/membership/for non-members/users/membership/edit/for existing membersusers/tests/test_membership_links.pyTesting
Run:
python3 manage.py test users.tests.test_membership_linksAll tests passed ✅
Impact
This fix ensures the membership link works for both logged-in and anonymous users.