Do not raise exception in offload_task

src/backend/InvenTree/InvenTree/tasks.py

@@ -326,7 +326,7 @@ def offload_task(
         except Exception as exc:
             log_error('offload_task', scope='worker')
             raise_warning(f"WARNING: '{taskname}' failed due to {exc!s}")
-            raise exc
+            return False
 
     # Finally, task either completed successfully or was offloaded
     return True