SNIClient: Let clients based on SNIClient monitor packages via on_package method (#3093)

SNIClient.py

@@ -243,6 +243,9 @@ class SNIContext(CommonContext):
                 # Once the games handled by SNIClient gets made to be remote items,
                 # this will no longer be needed.
                 async_start(self.send_msgs([{"cmd": "LocationScouts", "locations": list(new_locations)}]))
+                
+        if self.client_handler is not None:
+            self.client_handler.on_package(self, cmd, args)
 
     def run_gui(self) -> None:
         from kvui import GameManager