Fix object event graphic names (#731)

* Fixed object event graphic names

* Updated files and other variable names

* Fix from finding and replacing without matching case

* spritesheet updates

* Update flag name

---------

Co-authored-by: Marcus Huderle <huderlem@gmail.com>

data/maps/SaffronCity/map.json

@@ -236,7 +236,7 @@
     },
     {
       "type": "object",
-      "graphics_id": "OBJ_EVENT_GFX_BATTLE_GIRL",
+      "graphics_id": "OBJ_EVENT_GFX_CRUSH_GIRL",
       "x": 47,
       "y": 24,
       "elevation": 3,
@@ -245,7 +245,7 @@
       "movement_range_y": 1,
       "trainer_type": "TRAINER_TYPE_NONE",
       "trainer_sight_or_berry_tree_id": "0",
-      "script": "SaffronCity_EventScript_BattleGirl",
+      "script": "SaffronCity_EventScript_CrushGirl",
       "flag": "FLAG_HIDE_POSTGAME_GOSSIPERS"
     }
   ],