feat(scripts): legacy-layer → Cocos prefab 批量迁移完成（7 ok / 6 expected-fail）

cocoscreator_projects/YouleNexus/out/legacy-migration/BackHall_Layer.prefab

@@ -17,7 +17,11 @@
     "_objFlags": 0,
     "__editorExtras__": {},
     "_parent": null,
-    "_children": [],
+    "_children": [
+      {
+        "__id__": 2
+      }
+    ],
     "_active": true,
     "_components": [
       {
@@ -168,7 +172,7 @@
   },
   {
     "__type__": "cc.CompPrefabInfo",
-    "fileId": "Pda866NWkdQmjRO6KXJuOY"
+    "fileId": "lgvoSUemylfiHKFuWFPrqX"
   },
   {
     "__type__": "cc.UITransform",
@@ -196,7 +200,7 @@
   },
   {
     "__type__": "cc.CompPrefabInfo",
-    "fileId": "X9Ol3V2LBqVbnRM6MhOLyz"
+    "fileId": "LUTmhhVpqmVn2kRVYdSgxQ"
   },
   {
     "__type__": "cc.ProgressBar",
@@ -234,7 +238,7 @@
   },
   {
     "__type__": "cc.CompPrefabInfo",
-    "fileId": "J3KwtsMdpurmWVjh9Eh7Kp"
+    "fileId": "rghHHiUfsTaKB6HqUSMPkz"
   },
   {
     "__type__": "cc.Widget",
@@ -248,14 +252,14 @@
     "__prefab": {
       "__id__": 8
     },
-    "_alignFlags": 45,
+    "_alignFlags": 24,
     "_target": null,
     "_left": 0,
     "_right": 0,
     "_top": 0,
     "_bottom": 0,
-    "_horizontalCenter": 0,
-    "_verticalCenter": 0,
+    "_horizontalCenter": 569.5,
+    "_verticalCenter": 168.5,
     "_isAbsLeft": true,
     "_isAbsRight": true,
     "_isAbsTop": true,
@@ -276,14 +280,14 @@
     "asset": {
       "__id__": 0
     },
-    "fileId": "chxWR5DPKUVCzLlo5XGVvA",
+    "fileId": "YEmQgvK5JPmp4C97yoIGyw",
     "instance": null,
     "targetOverrides": null,
     "nestedPrefabInstanceRoots": null
   },
   {
     "__type__": "cc.CompPrefabInfo",
-    "fileId": "MDZAGEVNBDRyYrq4pKFhLE"
+    "fileId": "VTWhI5Krt1Tl1PaqyNMZon"
   },
   {
     "__type__": "cc.UITransform",
@@ -311,7 +315,7 @@
   },
   {
     "__type__": "cc.CompPrefabInfo",
-    "fileId": "jJHgeXr4FQEWQO4XIzOOHh"
+    "fileId": "yL4foD2NoKexjcw320r6Zv"
   },
   {
     "__type__": "cc.Widget",
@@ -353,14 +357,14 @@
     "asset": {
       "__id__": 0
     },
-    "fileId": "slVD8fJQaBPa4l52pf5IXq",
+    "fileId": "YbZwuoc1Ik2eMvbYtIThrx",
     "instance": null,
     "targetOverrides": null,
     "nestedPrefabInstanceRoots": null
   },
   {
     "__type__": "cc.CompPrefabInfo",
-    "fileId": "ZxNiZBkby9tj7SSbfpOQmU"
+    "fileId": "Oboy7HvfDZjdE4wduUnatv"
   },
   {
     "__type__": "cc.UITransform",
@@ -388,7 +392,7 @@
   },
   {
     "__type__": "cc.CompPrefabInfo",
-    "fileId": "h4SYJyuqRHeM6Xiu5UirLi"
+    "fileId": "d57ausRj4Y5wkaGB3TmLhi"
   },
   {
     "__type__": "cc.Widget",
@@ -430,7 +434,7 @@
     "asset": {
       "__id__": 0
     },
-    "fileId": "ur25Y7TU0TKvsIbemih80X",
+    "fileId": "9E4FREnUmy3G7q42HYy9QW",
     "instance": null,
     "targetOverrides": null,
     "nestedPrefabInstanceRoots": null