Scans the given area for physics objects of the given groups and returns a list of the entities of the physics objects in the given area.
If an Entity has multiple physics objects with the right collision group in this area, this entity will be found multiple times in the returned list.
@param area The area to scan
@param collisionFilter only objects in these collision groups arereturned.
@return A valid, non null List with EntityRefs. Each entity in this listhas an associated RigidBody, CharacterCollider or Trigger in any of the given collision groups.