Add container-related triggers (#39647)

Add container-related triggers (#39647)

* added triggers for when an entity is inserted or removed from a container, for both the entity and the container

* removed unnecessary comments

* consolidated into one shared system for all four triggers

* consolidated into one shared system for all four triggers

* named it right this time

* made container owner user of got triggers and added guard statements

* container id

* Update Content.Shared/Trigger/Components/Triggers/TriggerOnRemovedFromContainerComponent.cs

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Co-authored-by: slarticodefast <161409025+slarticodefast@users.noreply.github.com>