feat: rework reward skip; move it to SkipCutscenes

Extras/SkipCutscenes/MU3/patch_ANM_Frame.cs

@@ -0,0 +1,17 @@
+using MU3.Util;
+using UnityEngine;
+
+namespace MU3;
+
+class patch_ANM_Frame: ANM_Frame {
+    private GameObject currentBonus;
+
+    public extern bool orig_isStampAnimEnd();
+    public new bool isStampAnimEnd() {
+        if(!Singleton<Mod.State>.instance.SkipItemFrame) {
+            return orig_isStampAnimEnd();
+        } else {
+            return currentBonus.GetComponent<Animator>().GetCurrentAnimatorStateInfo(0).normalizedTime > 0.4;
+        }
+    }
+}