Factorize pos

(cherry picked from commit e242c0e43a2fb268c05a8c1a40d0a1b539712ac7)

game/scripts/interface/door.rpy

@@ -62,18 +62,18 @@ screen summon(xx, yy):
     use close_button(key=["summon", "game_menu"])
 
     fixed:
+        pos (xx, yy)
         if settings.get("animations"):
             at gui_animation
-        use summon_menu(xx, yy)
+        use summon_menu
 
-screen summon_menu(xx, yy):
+screen summon_menu():
     tag summon_menu
     modal True
     zorder 15
 
     window:
         style "empty"
-        pos (xx, yy)
         xysize (207, 454)
 
         use invisible_button()