Closes #45783 `Menu` key or `Shift + F10` shortcut wasn't supported in project panel for opening the context menu, this PR fixes it. Release Notes: - Added an action and default keyboard shortcuts to open the context menu in the project panel. You can now bind `project_panel::OpenContextMenu` to deploy the context menu at the currently selected entry in the panel. --------- Co-authored-by: MrSubidubi <finn@zed.dev>