fix: move skippable flag from QTE result scenes to the triggering scene

public/scenes/demo.json

@@ -153,6 +153,7 @@
     "right_door": {
       "id": "right_door",
       "videoUrl": "/videos/right_door.mp4",
+      "skippable": false,
       "bgmUrl": "/audio/tense_bgm.mp3",
       "bgmVolume": 0.7,
       "bgmCrossFade": 2.0,
@@ -173,7 +174,6 @@
     "qte_success": {
       "id": "qte_success",
       "videoUrl": "/videos/qte_success.mp4",
-      "skippable": false,
       "choices": [
         {
           "text": "继续前进",
@@ -188,7 +188,6 @@
     "qte_fail": {
       "id": "qte_fail",
       "videoUrl": "/videos/qte_fail.mp4",
-      "skippable": false,
       "choices": [
         {
           "text": "继续前进",