[BUGFIX] Restore expand state of module groups

This patch recovers the expand state of module groups when they
were collapsed before.

Resolves: #64859
Releases: master
Change-Id: Id4b527d287a8ca1a7dd542639d4c5a691fe0f065
Reviewed-on: http://review.typo3.org/36665


Reviewed-by: Göran Bodenschatz <coding@46halbe.de>
Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: Wouter Wolters <typo3@wouterwolters.nl>
Reviewed-by: Benjamin Mack <benni@typo3.org>
Tested-by: Benjamin Mack <benni@typo3.org>