[3.4.x] Backport: Collection sort & Edit controller patches
This merge request backports fixes of:
- The navigation item's title that is updated when an edit action is completed no matter the success or failure state.
- The media group's title that is now displayed when the navigation item's title is reset.
- The media collection that is sorted according to the correct sorting criteria right after being reloaded.
(Backport of !955 (merged), !956 (merged))