[BUGFIX] Drag & drop broken for inline records

Fix a problem with the latest FF version that moving
of IRRE records (reordering, via the drag/sortable icon
on the right) does not work.

Resolves: #62906
Releases: master
Change-Id: Ia2c4f5cdbb6fd69f74e4758bfa0182a98c6b7538
Reviewed-on: http://review.typo3.org/34052
Reviewed-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Tested-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Reviewed-by: Benjamin Mack <benni@typo3.org>
Tested-by: Benjamin Mack <benni@typo3.org>