[BUGFIX] Fix width/height of icons in overview

About modules: Fix width/height of icons in overview
Remove image VH and use img tag instead

Resolves: #63282
Related: #63279
Releases: master
Change-Id: I7cdb3006a4f3690cc1aeeb66f87e34e136d80f1b
Reviewed-on: http://review.typo3.org/34531
Reviewed-by: Stefan Neufeind <typo3.neufeind@speedpartner.de>
Reviewed-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Tested-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Reviewed-by: Helmut Hummel <helmut.hummel@typo3.org>
Reviewed-by: Mathias Schreiber <mathias.schreiber@wmdb.de>
Tested-by: Mathias Schreiber <mathias.schreiber@wmdb.de>
Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: Wouter Wolters <typo3@wouterwolters.nl>