Fix mistakes and use EVENT_OBJ_GFX_* macros

data/maps/AbandonedShip_CaptainsOffice/map.json

@@ -25,7 +25,7 @@
       "trainer_type": "0",
       "trainer_sight_or_berry_tree_id": "0",
       "script": "AbandonedShip_CaptainsOffice_EventScript_2387E2",
-      "flag": "0" 
+      "flag": "0"
     },
     {
       "graphics_id": "EVENT_OBJ_GFX_ITEM_BALL",
@@ -59,4 +59,4 @@
   ],
   "coord_events": [],
   "bg_events": []
-}
+}