improved: cm-cli.py save-snapshot - validate output path

fixed: Update all - Properly display the results of the ComfyUI update.
fixed: Update all - An issue where the action results of the custom nodes manager were reflected in the main dialog.

https://github.com/ltdrdata/ComfyUI-Manager/issues/1548

glob/manager_server.py

@@ -599,6 +599,7 @@ async def task_worker():
                 nodepack_result[ui_id] = msg
                 ui_target = "main"
             elif kind == 'update-comfyui':
+                nodepack_result['comfyui'] = msg
                 ui_target = "main"
             else:
                 nodepack_result[ui_id] = msg