Fluidification of TypoScriptTemplateConstantEditorModuleFunctionController

Resolves: #75032
Releases: master
Change-Id: Iacd826c958989b4afe9cbed57367226e486c42af
Reviewed-on: https://review.typo3.org/49884


Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Daniel Goerz <ervaude@gmail.com>
Tested-by: Daniel Goerz <ervaude@gmail.com>
Reviewed-by: Jan Helke <typo3@helke.de>
Tested-by: Jan Helke <typo3@helke.de>