Core/Movement: backported a movemenet slot check to prevent PauseMovement from stopping movements that it's not suposed to stop

src/server/game/Entities/Unit/Unit.cpp

@@ -11006,7 +11006,7 @@ void Unit::PauseMovement(uint32 timer/* = 0*/, uint8 slot/* = 0*/, bool forced/*
     if (MovementGenerator* movementGenerator = GetMotionMaster()->GetMotionSlot(MovementSlot(slot)))
         movementGenerator->Pause(timer);
 
-    if (forced)
+    if (forced && GetMotionMaster()->GetCurrentSlot() == MovementSlot(slot))
         StopMoving();
 }