fix: use nested opener_team object from scout_opportunity response

The API returns opener_team as a full nested object, not an ID.
No need to fetch it separately.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

cogs/admins.py

@@ -755,8 +755,8 @@ class Admins(commands.Cog):
             )
             return
 
-        # Fetch opener team
-        opener_team = await db_get(f"teams/{scout_opp['opener_team']}")
+        # Get opener team (API returns it as a nested object)
+        opener_team = scout_opp.get("opener_team")
         if not opener_team:
             await interaction.followup.send(
                 "Could not fetch opener team.", ephemeral=True