There are several versions (partly legacy) of how to
trigger a reload of the Module Menu. This is now
streamlined.

Additionally the NewContentElementController does
not reload the module menu anymore on loading.

Resolves: #72024
Releases: master
Change-Id: I58fc274f22d0312b0616e20e379225f77540fbb3
Reviewed-on: https://review.typo3.org/45088

Reviewed-by: Andreas Fernandez <typo3@scripting-base.de>
Reviewed-by: Frank Nägler <frank.naegler@typo3.org>
Tested-by: Frank Nägler <frank.naegler@typo3.org>
Reviewed-by: Morton Jonuschat <m.jonuschat@mojocode.de>
Tested-by: Morton Jonuschat <m.jonuschat@mojocode.de>