Standardize EVENT_OBJECT to OBJECT_EVENT

data/maps/RustboroCity_House2/map.json

@@ -15,7 +15,7 @@
   "connections": null,
   "object_events": [
     {
-      "graphics_id": "EVENT_OBJ_GFX_POKEFAN_F",
+      "graphics_id": "OBJ_EVENT_GFX_POKEFAN_F",
       "x": 4,
       "y": 4,
       "elevation": 3,
@@ -28,7 +28,7 @@
       "flag": "0"
     },
     {
-      "graphics_id": "EVENT_OBJ_GFX_LITTLE_GIRL",
+      "graphics_id": "OBJ_EVENT_GFX_LITTLE_GIRL",
       "x": 4,
       "y": 5,
       "elevation": 3,