Add requires_admin meta to tests that set feature flag

What does this MR do?

Add requires_admin metadata to more tests that set feature flag

Issue: #322429 (closed)

This is a continuation of !54816 (merged)

Conformity

• [-] Changelog entry
• [-] Documentation (if required)
• Code review guidelines
• [-] Merge request performance guidelines
• Style guides
• [-] Database guides
• [-] Separation of EE specific content