Merge commit from fork

* fix incorrect permissions on plugin directories

* chown plugin dirs too

* fix the stupid

* cleanup useless comments

backend/decky_loader/wsrouter.py

@@ -7,7 +7,7 @@ from aiohttp.web import Application, WebSocketResponse, Request, Response, get
 
 from enum import IntEnum
 
-from typing import Callable, Coroutine, Dict, Any, cast, TypeVar
+from typing import Callable, Coroutine, Dict, Any, cast
 
 from traceback import format_exc
 
@@ -29,8 +29,6 @@ class WSMessageExtra(WSMessage):
 
 # see wsrouter.ts for typings
 
-DataType = TypeVar("DataType")
-
 Route = Callable[..., Coroutine[Any, Any, Any]]
 
 class WSRouter: