Issue #1906810 by dawehner, damiankloip, tstoeckler, kgoel, fubhy, jrglasgow, xjm, Gaelan, socketwench: Require type hints for automatic entity upcasting.

Revert "Issue #1906810 by dawehner, damiankloip, tstoeckler, kgoel, fubhy, jrglasgow, xjm, Gaelan, socketwench: Require type hints for automatic entity upcasting."

This reverts commit c9e73f7d.

Issue #1906810 by dawehner, damiankloip, tstoeckler, kgoel, fubhy, jrglasgow, xjm, Gaelan, socketwench: Require type hints for automatic entity upcasting.

Issue #2285349 by olli: Fixed Fatal error: Call to a member function getType() on a non-object in comment.module on line 951.

Issue #2205215 by larowlan, jessebeach, dixon_: Fixed {comment} and {comment_entity_statistics} only support integer entity ids.

Issue #2102125 by dawehner, tim.plunkett, neclimdul, pwolanin, YesCT, damiankloip, Tim Bozeman: Big Local Task Conversion.

Issue #2098795 by tim.plunkett, Sean Charles, tstoeckler, dawehner, larowlan, damiankloip: Create Base Class for RouteSubscriber Class.