feat: 支持分享模式二次确认弹窗；默认展示线索 1

assets/prefabs/PageLevel.prefab

@@ -4986,8 +4986,6 @@
       "__id__": 0
     },
     "fileId": "97e+ktL5JEFIkipb5zofcN",
-    "instance": null,
-    "targetOverrides": null,
     "nestedPrefabInstanceRoots": null
   },
   {
@@ -5379,8 +5377,6 @@
       "__id__": 0
     },
     "fileId": "1eqqQHgzlAlIvfIdI7x5Es",
-    "instance": null,
-    "targetOverrides": null,
     "nestedPrefabInstanceRoots": null
   },
   {
@@ -9295,7 +9291,9 @@
     "_disabledSprite": null,
     "_duration": 0.1,
     "_zoomScale": 1.2,
-    "_target": null,
+    "_target": {
+      "__id__": 364
+    },
     "_id": ""
   },
   {
@@ -9311,8 +9309,6 @@
       "__id__": 0
     },
     "fileId": "9cckUTm+pH7K6q+8gd2LGK",
-    "instance": null,
-    "targetOverrides": null,
     "nestedPrefabInstanceRoots": null
   },
   {
@@ -9552,4 +9548,4 @@
     "instance": null,
     "targetOverrides": null
   }
-]
+]