- Add `project_panel::undo::UndoManager` with a bounded operation stack
  to track and revert project panel operations
- Support undoing file and directory creation, renaming, moving, pasting
  and drag-and-drop operations
- Revert batch operations sequentially in reverse order to handle
  dependencies between them
- Show an error notification when one or more undo operations fail
- Add "Undo" entry to the project panel context menu, disabled when
  there is nothing to undo
- Gate the feature behind the `project-panel-undo-redo` feature flag

Ref: #5039

Release Notes:

- N/A

---------

Signed-off-by: Marco Mihai Condrache <52580954+marcocondrache@users.noreply.github.com>
Co-authored-by: Cole Miller <cole@zed.dev>
Co-authored-by: dino <dinojoaocosta@gmail.com>