[TASK] Add missing htmlspecialchars() or quoteJSvalue() in ToolbarItems

Resolves: #63489
Releases: master
Change-Id: I6e1d1dfd476a2ea33d81ce918cf6f41a43edade4
Reviewed-on: http://review.typo3.org/34884
Reviewed-by: Helmut Hummel <helmut.hummel@typo3.org>
Tested-by: Helmut Hummel <helmut.hummel@typo3.org>
Reviewed-by: Markus Klein <klein.t3@reelworx.at>
Tested-by: Markus Klein <klein.t3@reelworx.at>