[TASK] Move User module to Topbar > User menu

Move User Tools to Topbar underneath User icon.

Resolves: #62891
Releases: master
Change-Id: I7f470949e7bf20759157b2ef640ed611274c211c
Reviewed-on: http://review.typo3.org/34026
Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: Wouter Wolters <typo3@wouterwolters.nl>
Reviewed-by: Felix Kopp <felix-source@phorax.com>
Tested-by: Felix Kopp <felix-source@phorax.com>
Reviewed-by: Benjamin Mack <benni@typo3.org>
Tested-by: Benjamin Mack <benni@typo3.org>