[BUGFIX] Fix missing new record button with enabled useCombination

Also add it if a record selector is shown.

Resolves: #60370
Related: #57488
Releases: master, 6.2
Change-Id: If4f34521310dc3f479d6c97cada082db91f668c3
Reviewed-on: http://review.typo3.org/31648
Reviewed-by: Markus Klein <klein.t3@reelworx.at>
Tested-by: Markus Klein <klein.t3@reelworx.at>
Reviewed-by: Stephan Großberndt <stephan@grossberndt.de>
Reviewed-by: Stefan Froemken <froemken@gmail.com>
Tested-by: Stefan Froemken <froemken@gmail.com>
Reviewed-by: Alexander Opitz <opitz.alexander@googlemail.com>
Tested-by: Alexander Opitz <opitz.alexander@googlemail.com>
Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: Wouter Wolters <typo3@wouterwolters.nl>