game: core: replace is_in_game to get_game

profiles/models.py

@@ -16,12 +16,12 @@ class ProfileModel(models.Model):
     user = models.ForeignKey(User, on_delete=models.CASCADE)
     avatar_url = models.ImageField(upload_to=upload_to, default="./profiles/static/avatars/default.avif") #blank=True, null=True)
     
-    def is_in_game(self):
+    def get_game(self) -> int:
         for game in game_manager._game_list:
             for player in game.get_players_connected():
                 if (player.user_id == self.user.pk):
-                    return True
-        return False
+                    return game.game_id
+        return None
 
 @receiver(post_save, sender=User)
 def on_user_created(sender, instance, created, **kwargs):