fix cmd called twice for a weird reason

Get the message data with a PATCH request

Author: quirky-bluejay

discord_slash/context.py

@@ -182,7 +182,8 @@ async def send(self,
                     "type": 4,
                     "data": base
                 }
-                resp = await self._http.post_initial_response(json_data, self._interaction_id, self.__token)
+                await self._http.post_initial_response(json_data, self._interaction_id, self.__token)
+                resp = await self._http.edit({}, self.__token)
             self._sent = True
         else:
             resp = await self._http.post_followup(base, self.__token, files=files)