enabled AppAPIAuthMiddleware for websockets(Nextcloud 32+) (#338)

ExApps starting with Nextсloud 32 are planned to have **websockets**
support - we enable authentication in advance, so that there is time to
rebuild ExApps.

Signed-off-by: bigcat88 <[email protected]>

Author: bigcat88

nc_py_api/ex_app/integration_fastapi.py

@@ -241,7 +241,7 @@ def __init__(
 
     async def __call__(self, scope: Scope, receive: Receive, send: Send) -> None:
         """Method that will be called by Starlette for each event."""
-        if scope["type"] != "http":
+        if scope["type"] not in ("http", "websocket"):
             await self.app(scope, receive, send)
             return