Refactor query_player function to use correct syntax for filtering by…

… player_id and current_user_id

app/db/database_utils.py

@@ -26,4 +26,4 @@ def query_players(db: Session, current_user_id: int):
     return db.query(Player).filter(Player.user_id == current_user_id).all()
 
 def query_player(db: Session, player_id: int, current_user_id: int):
-    return db.query(Player).filter(Player.id == player_id and Player.user_id == current_user_id).first()
+    return db.query(Player).filter(Player.id == player_id, Player.user_id == current_user_id).first()