fix(worker): only apply processor cancel logic if cancel event is for…

… current queue item

invokeai/app/services/session_processor/session_processor_default.py

@@ -378,6 +378,9 @@ async def _on_batch_enqueued(self, event: FastAPIEvent[BatchEnqueuedEvent]) -> N
         self._poll_now()
 
     async def _on_queue_item_status_changed(self, event: FastAPIEvent[QueueItemStatusChangedEvent]) -> None:
+        # Make sure the cancel event is for the currently processing queue item
+        if self._queue_item and self._queue_item.item_id is not event[1].item_id:
+            return
         if self._queue_item and event[1].status in ["completed", "failed", "canceled"]:
             # When the queue item is canceled via HTTP, the queue item status is set to `"canceled"` and this event is
             # emitted. We need to respond to this event and stop graph execution. This is done by setting the cancel