修复websocket不能使用Authorization Header的问题

apps/jumpserver/routing.py

@@ -33,12 +33,12 @@ def get_signature_user(scope):
         return
     if scope['type'] == 'websocket':
         scope['method'] = 'GET'
-    try:
     # 因为 ws 使用的是 scope，所以需要转换成 request 对象，用于认证校验
     request = ASGIRequest(scope, None)
     backends = [SignatureAuthentication(),
                 AccessTokenAuthentication()]
     for backend in backends:
+        try:
             user, _ = backend.authenticate(request)
             if user:
                 return user