perf(天赋面板): 优化天赋面板加载性能，减少重复资源加载

调整天赋面板预制体的UI布局参数，优化间距、内边距与容器尺寸。将天赋子项的图集加载改为父组件统一预加载并缓存，避免重复加载同一资源。面板添加时先立即刷新UI以保证秒开，后续异步更新所有子项的图标。

assets/resources/gui/element/talents.prefab

@@ -286,7 +286,7 @@
     "_lpos": {
       "__type__": "cc.Vec3",
       "x": 0,
-      "y": 666.634,
+      "y": 706.696,
       "z": 0
     },
     "_lrot": {
@@ -356,7 +356,7 @@
     "_target": null,
     "_left": 0,
     "_right": 0,
-    "_top": -27.134000000000015,
+    "_top": -67.19600000000003,
     "_bottom": 0,
     "_horizontalCenter": 0,
     "_verticalCenter": 0,
@@ -426,7 +426,7 @@
     "_lpos": {
       "__type__": "cc.Vec3",
       "x": 0,
-      "y": 5,
+      "y": 15,
       "z": 0
     },
     "_lrot": {
@@ -844,7 +844,7 @@
     "_lpos": {
       "__type__": "cc.Vec3",
       "x": 0,
-      "y": -255,
+      "y": -245,
       "z": 0
     },
     "_lrot": {
@@ -945,7 +945,7 @@
     "_contentSize": {
       "__type__": "cc.Size",
       "width": 720,
-      "height": 990
+      "height": 1010
     },
     "_anchorPoint": {
       "__type__": "cc.Vec2",
@@ -1159,12 +1159,12 @@
       "height": 40
     },
     "_startAxis": 0,
-    "_paddingLeft": 39.9,
-    "_paddingRight": 40,
-    "_paddingTop": 50,
+    "_paddingLeft": 10,
+    "_paddingRight": 10,
+    "_paddingTop": 0,
     "_paddingBottom": 0,
-    "_spacingX": 30,
-    "_spacingY": 30,
+    "_spacingX": 20,
+    "_spacingY": 20,
     "_verticalDirection": 1,
     "_horizontalDirection": 0,
     "_constraint": 2,
@@ -1218,7 +1218,7 @@
     "_contentSize": {
       "__type__": "cc.Size",
       "width": 720,
-      "height": 990
+      "height": 1010
     },
     "_anchorPoint": {
       "__type__": "cc.Vec2",
@@ -1292,7 +1292,7 @@
     "_target": null,
     "_left": 0,
     "_right": 0,
-    "_top": 140,
+    "_top": 120,
     "_bottom": 150,
     "_horizontalCenter": 0,
     "_verticalCenter": 0,
@@ -1371,7 +1371,7 @@
     "_lpos": {
       "__type__": "cc.Vec3",
       "x": 0,
-      "y": 540,
+      "y": 632.047,
       "z": 0
     },
     "_lrot": {
@@ -1542,7 +1542,7 @@
       "__id__": 60
     },
     "_children": [],
-    "_active": true,
+    "_active": false,
     "_components": [
       {
         "__id__": 68
@@ -1701,7 +1701,7 @@
       "__id__": 60
     },
     "_children": [],
-    "_active": true,
+    "_active": false,
     "_components": [
       {
         "__id__": 74
@@ -1870,7 +1870,7 @@
         "__id__": 94
       }
     ],
-    "_active": true,
+    "_active": false,
     "_components": [
       {
         "__id__": 102
@@ -2546,7 +2546,7 @@
       "__id__": 60
     },
     "_children": [],
-    "_active": true,
+    "_active": false,
     "_components": [
       {
         "__id__": 110
@@ -2705,7 +2705,7 @@
       "__id__": 60
     },
     "_children": [],
-    "_active": true,
+    "_active": false,
     "_components": [
       {
         "__id__": 116
@@ -2868,7 +2868,7 @@
         "__id__": 122
       }
     ],
-    "_active": true,
+    "_active": false,
     "_components": [
       {
         "__id__": 128
@@ -3274,7 +3274,7 @@
     "_target": null,
     "_left": 0,
     "_right": 0,
-    "_top": 0,
+    "_top": -92.04700000000003,
     "_bottom": 0,
     "_horizontalCenter": 0,
     "_verticalCenter": 0,