[FEATURE] Replace usage of getFuncMenu with TWBS styled substitution

This patch substitutes the inline usage of BackendUtility::getFuncMenu
with a Bootstrap styled variant.

Resolves: #65927
Releases: master
Change-Id: I2d5ec4097404a8a18cda6e4a205195230b81f53e
Reviewed-on: http://review.typo3.org/38032


Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: Wouter Wolters <typo3@wouterwolters.nl>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Reviewed-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Tested-by: Anja Leichsenring <aleichsenring@ab-softlab.de>