Attached entities can't enter portals (#4484)

* Attached entities can't enter portals

* Whitespace fixes

src/Entities/Player.cpp

@@ -2029,6 +2029,9 @@ void cPlayer::DoMoveToWorld(const cEntity::sWorldChangeInfo & a_WorldChangeInfo)
 	// Stop all mobs from targeting this player
 	StopEveryoneFromTargetingMe();
 
+	// If player is attached to entity, detach, to prevent client side effects
+	Detach();
+
 	// Prevent further ticking in this world
 	SetIsTicking(false);