Fix cli command for device off (python-kasa#1121)

sdb9696 · web-flow · commit d1b43f5408e9 · 2024-09-27T17:36:45.000+01:00
Was previously missed when using the full `kasa device off` command as
opposed to the shortcut.
diff --git a/kasa/cli/device.py b/kasa/cli/device.py
@@ -99,7 +99,7 @@ async def on(dev: Device, transition: int):
     return await dev.turn_on(transition=transition)
 
 
-@click.command
+@device.command
 @click.option("--transition", type=int, required=False)
 @pass_dev_or_child
 async def off(dev: Device, transition: int):
