* [x] Display original project name as root folder in project panel,
titlebar
* [x] When manually creating worktrees, ensure final path component is
original project name
* [x] Display original project name, worktree name, and branch name in
titlebar
* [x] Only show main checkout in project switcher

Release Notes:

- N/A *or* Added/Fixed/Improved ...

---------

Co-authored-by: Richard Feldman <oss@rtfeldman.com>