Fix team ID reference in get_plans endpoint

Replaces usage of current_team.id with current_team.team_id when fetching plans, ensuring correct team identifier is used for plan retrieval.

Author: Fr4nc3

src/backend/v3/api/router.py

@@ -1028,7 +1028,7 @@ async def get_plans(request: Request):
     if not current_team:
         return []
 
-    all_plans = await memory_store.get_all_plans_by_team_id(team_id=current_team.id)
+    all_plans = await memory_store.get_all_plans_by_team_id(team_id=current_team.team_id)
 
     return all_plans