Move cleaning up of request to after signals are disconnected

CURA-8587

plugins/Marketplace/PackageList.py

@@ -53,13 +53,15 @@ class PackageList(ListModel):
 
     def __del__(self) -> None:
         """ When this object is deleted it will loop through all registered API requests and aborts them """
-        self.cleanUpAPIRequest()
+
         try:
             self.isLoadingChanged.disconnect()
             self.hasMoreChanged.disconnect()
         except RuntimeError:
             pass
 
+        self.cleanUpAPIRequest()
+
     def abortRequest(self, request_id: str) -> None:
         """Aborts a single request"""
         if request_id in self._ongoing_requests and self._ongoing_requests[request_id]: