TO REVERT: add user_id to presence response in client worker (#57)

It's currently expected by the Tchap clients, a fix will be deployed to them later on.

Author: MatMaul

changelog.d/57.misc

@@ -0,0 +1 @@
+Add user_id back to presence in worker too https://github.com/matrix-org/synapse/commit/0bbbd10513008d30c17eb1d1e7ba1d091fb44ec7 .

synapse/app/generic_worker.py

@@ -156,7 +156,7 @@ def __init__(self, hs):
 
     async def on_GET(self, request, user_id):
         await self.auth.get_user_by_req(request)
-        return 200, {"presence": "offline"}
+        return 200, {"presence": "offline", "user_id": user_id}
 
     async def on_PUT(self, request, user_id):
         await self.auth.get_user_by_req(request)