[BUGFIX] Heal TS ObjectBrowser search button

Resolves: #71280
Releases: master
Change-Id: Ia2c38c7272dbb1f610a3316f500108934e2c22e7
Reviewed-on: https://review.typo3.org/44507


Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: Wouter Wolters <typo3@wouterwolters.nl>
Reviewed-by: Mathias Schreiber <mathias.schreiber@wmdb.de>
Tested-by: Mathias Schreiber <mathias.schreiber@wmdb.de>