add nulable project also

invokeai/app/services/events/events_base.py

@@ -123,6 +123,7 @@ class EventServiceBase:
         error_type: str,
         error: str,
         user_id: str | None,
+        project_id: str | None,
     ) -> None:
         """Emitted when an invocation has completed"""
         self.__emit_queue_event(
@@ -137,6 +138,7 @@ class EventServiceBase:
                 "error_type": error_type,
                 "error": error,
                 "user_id": user_id,
+                "project_id": project_id
             },
         )
 

invokeai/app/services/session_processor/session_processor_default.py

@@ -238,6 +238,7 @@ class DefaultSessionProcessor(SessionProcessorBase):
                                 error_type=e.__class__.__name__,
                                 error=error,
                                 user_id=None,
+                                project_id=None
                             )
                             pass