[TASK] Load modulemenu as RequireJs module

Rename the modulemenu JavaScript file to ModuleMenu.js
Load the module with RequireJS in the BackendController.

Resolves: #78538
Releases: master
Change-Id: I2da6a6fd2c3ecdb8cb0fa7267a079c8f6eba1a3d
Reviewed-on: https://review.typo3.org/50482


Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>
Reviewed-by: Michael Oehlhof <typo3@oehlhof.de>
Tested-by: Michael Oehlhof <typo3@oehlhof.de>
Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: Wouter Wolters <typo3@wouterwolters.nl>