Add user auth token in websocket client

Author: tpoliaw

src/blueapi/client/rest.py

@@ -278,12 +278,14 @@ def _request_and_deserialize(
 
     def run_blocking(self, req: TaskRequest):
         url = self._ws_address().unicode_string().removesuffix("/") + "/run_plan"
+        headers = {}
+        if self._session_manager:
+            auth = self._session_manager.get_valid_access_token()
+            headers["Authorization"] = f"Bearer {auth}"
         with connect(
             url,
-            additional_headers={
-                "Cookie": "Authorization=Bearer cook",
-                "Authorization": "Bearer head",
-            },
+            additional_headers=headers,
+            user_agent_header="blueapi cli",
         ) as ws:
             ws.send(req.model_dump_json())
             for message in ws: