Resolve "Redesign activity feed"
What does this MR do?
Redesigns the activity feed on the following pages:
- User Profile Overview
- User Profile Activity
Profile (Overview Tab)
Profile (Activity Tab)
What are the relevant issue numbers?
Does this MR meet the acceptance criteria?
- Changelog entry added, if necessary
- Documentation created/updated
- Tests added for this feature/bug
- Conforms to the code review guidelines
- Conforms to the merge request performance guidelines
- Conforms to the style guides
- Conforms to the database guides
Closes #49403 (closed)