Feature: #78842 - Let FLUIDTEMPLATE mimic an actual extbase web request

See Issue #78842

Description

Adds the possibility to let the FLUIDTEMPLATE content element mimic an actual extbase web request. This makes it possible to access submitted data like in extbase with ->controllerContext->getRequest()->getArguments()

Impact

Data which was submitted through a FLUIDTEMPLATE content element are now available within

$view->getRenderingContext()
     ->getControllerContext()
     ->getRequest()
     ->getArguments()

Affected Installations

Any installation which use the FLUIDTEMPLATE content element which are initialized with the following settings:

extbase.pluginName
extbase.controllerExtensionName
extbase.controllerName
extbase.controllerActionName