[TASK] Render notification when saving a record succeeded

To improve both, UX and acceptance tests (incl. automated screenshots
for docs), a notification is now dispatched when records were saved via
EditDocumentController.

Resolves: #95271
Releases: main
Change-Id: I98b43bb9ecf643d634740ffc4241943a49a5a87f
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/74196


Tested-by: core-ci <typo3@b13.com>
Tested-by: Björn Jacob <bjoern.jacob@tritum.de>
Tested-by: Oliver Bartsch <bo@cedev.de>
Reviewed-by: Björn Jacob <bjoern.jacob@tritum.de>
Reviewed-by: Oliver Bartsch <bo@cedev.de>