[BUGFIX] Use same height for tree bar as for the right module

Fix 1px off error in page tree toolbar.

Resolves: #86098
Releases: master
Change-Id: Ia1476d57b935159fc32e40a9134c7c7a1e9a6ef3
Reviewed-on: https://review.typo3.org/58167


Reviewed-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Tested-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>