[TASK] Make includeCsh configurable in ContainerViewHelper

The container ViewHelper does not provide a configuration
attribute for includeCsh (Context sensitive help). As consequence
ExtJS and ExtDirect code is always loaded in Backend Modules.

Resolves: #58075
Releases: 6.2
Change-Id: I1978bdc0bf3fca40f78cdae9b214a808f58abe49
Reviewed-on: https://review.typo3.org/29590
Reviewed-by: Wouter Wolters
Tested-by: Wouter Wolters
Reviewed-by: Stefan Neufeind
Tested-by: Stefan Neufeind