[TASK] Refactor ModuleTemplate path assignments

* use paths (plural) instead of single path definition
* allow access to the view to override/extend the paths to be used

Resolves: #70439
Releases: master
Change-Id: I4467834046de134ebbb1fb16e03b4dbcfa49d0e1
Reviewed-on: http://review.typo3.org/43864


Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: Wouter Wolters <typo3@wouterwolters.nl>
Reviewed-by: Christian Kuhn <lolli@schwarzbu.ch>
Tested-by: Christian Kuhn <lolli@schwarzbu.ch>