[BUGFIX] Filter for groups not working after revisit

When you select a group in the filter and filter it, then switch
to another backend module. If you then go back to the beuser
module the group is not set as selected.

Change-Id: Ia97094f9bfc645b42527d0b8cf12bca813dac433
Fixes: #42901
Releases: 6.2, 6.1, 6.0
Reviewed-on: https://review.typo3.org/20318
Reviewed-by: Jigal van Hemert
Tested-by: Jigal van Hemert