fix: set message.member.user as message.author again (#1118)

Author: EepyElvyra

interactions/api/models/message.py

@@ -831,6 +831,9 @@ def __attrs_post_init__(self):
             if self.guild_id:
                 self.member._extras["guild_id"] = self.guild_id
 
+        if self.author and self.member:
+            self.member.user = self.author
+
     async def get_channel(self) -> Channel:
         """
         Gets the channel where the message was sent.