Rename all ProfilePanels into ProfileMenuItems
Summary: Ref T11957.
Test Plan:
- Viewed an existing project profile.
- Viewed a user profile.
- Created a new project.
- Edited a profile menu.
- Added new profile items.
- Grepped for renamed symbols.
Reviewers: chad
Reviewed By: chad
Maniphest Tasks: T11957
Differential Revision: https://secure.phabricator.com/D17028