fix!: message serialization in context (#590)

* fix!: fix EmbedImageStruct serialization

* fix!: Button emoji serialization

* fix!: message serialization in context

Author: EepyElvyra

interactions/api/http.py

@@ -2301,7 +2301,7 @@ async def delete_interaction_response(
             webhook_id=int(application_id), webhook_token=token, message_id=message_id
         )
 
-    async def _post_followup(self, data: dict, token: str, application_id: str) -> None:
+    async def _post_followup(self, data: dict, token: str, application_id: str) -> dict:
         """
         Send a followup to an interaction.
 

interactions/context.py

@@ -458,13 +458,13 @@ async def send(self, content: Optional[str] = MISSING, **kwargs) -> Message:
                     application_id=str(self.application_id),
                 )
                 self.responded = True
-                self.message = msg = Message(**res, _client=self.client)
             else:
-                await self.client._post_followup(
+                res = await self.client._post_followup(
                     data=payload._json,
                     token=self.token,
                     application_id=str(self.application_id),
                 )
+            self.message = msg = Message(**res, _client=self.client)
         else:
             await self.client.create_interaction_response(
                 token=self.token,
@@ -638,13 +638,14 @@ async def send(self, content: Optional[str] = MISSING, **kwargs) -> Message:
                     application_id=str(self.application_id),
                 )
                 self.responded = True
-                self.message = msg = Message(**res, _client=self.client)
             else:
-                await self.client._post_followup(
+                res = await self.client._post_followup(
                     data=payload._json,
                     token=self.token,
                     application_id=str(self.application_id),
                 )
+            self.message = msg = Message(**res, _client=self.client)
+
         else:
             await self.client.create_interaction_response(
                 token=self.token,