Rebrand 'map object' and 'field object' to 'event object'

src/start_menu.c

@@ -561,7 +561,7 @@ void ShowStartMenu(void) // Called from overworld.c and field_control_avatar.s
 {
     if (!is_c1_link_related_active())
     {
-        FreezeMapObjects();
+        FreezeEventObjects();
         sub_808B864();
         sub_808BCF4();
     }