Places and sidebar various fixes and improvements

Changes for GTK4 removed right click support for properties and empty trash on sidebar. Added back support and added new feature to right click Trash on sidebar and open Properties.

Added feature to right click properties support for places / Other Locations (new feature as part of #2141 (closed) ).

Fixes regression from e358c234 that broke Open New Window / New Tab in Places

Fixes regression from ed23b17a that broke "Do not Empty Trash" functionality when unmounting a volume.

Added functionality to use nautilus_file_operations_unmount_mount_full() when unmounting from the sidebar