[BUGFIX] Fix Toolbar links when Topbar is refreshed

Whenever a topbar refresh is triggered, e.g. by activating/deactivating
of an extension in the extension manager, or when changing the backend
users language, the topbar link events (such as "user settings") need
to be re-added.

Resolves: #93757
Related: #92704
Releases: master
Change-Id: I3580ea1ad890ba9a8dc79903f1f2d43bb212de72
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/68495


Tested-by: Michael Telgkamp <michael.telgkamp@mindscreen.de>
Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: core-ci <typo3@b13.com>
Tested-by: Oliver Bartsch <bo@cedev.de>
Tested-by: Benjamin Franzke <bfr@qbus.de>
Reviewed-by: Michael Telgkamp <michael.telgkamp@mindscreen.de>
Reviewed-by: Oliver Bartsch <bo@cedev.de>
Reviewed-by: Benjamin Franzke <bfr@qbus.de>