修复(mskillbox): 调整MSkillBox预制体布局参数修正UI错位

本次提交修改了MSkillBox预制体中多个UI元素的位置、对齐方式、内容尺寸和锚点等布局属性，解决原有布局错位的显示问题。

assets/resources/gui/element/MSkillBox.prefab

@@ -293,7 +293,7 @@
     "_lpos": {
       "__type__": "cc.Vec3",
       "x": 0,
-      "y": 4.377999999999986,
+      "y": 0,
       "z": 0
     },
     "_lrot": {
@@ -347,7 +347,7 @@
     "_lpos": {
       "__type__": "cc.Vec3",
       "x": 0,
-      "y": -0.025,
+      "y": 0,
       "z": 0
     },
     "_lrot": {
@@ -400,7 +400,7 @@
     "_lpos": {
       "__type__": "cc.Vec3",
       "x": 0,
-      "y": -111.83499999999998,
+      "y": 0,
       "z": 0
     },
     "_lrot": {
@@ -518,8 +518,8 @@
     "_target": null,
     "_left": 0,
     "_right": 0,
-    "_top": 61.83499999999992,
+    "_top": -50.00000000000004,
-    "_bottom": -161.83499999999998,
+    "_bottom": -50,
     "_horizontalCenter": 0,
     "_verticalCenter": 0,
     "_isAbsLeft": true,
@@ -598,7 +598,7 @@
     "_top": 590,
     "_bottom": 300,
     "_horizontalCenter": 0,
-    "_verticalCenter": -61.11,
+    "_verticalCenter": 0,
     "_isAbsLeft": true,
     "_isAbsRight": true,
     "_isAbsTop": true,
@@ -776,14 +776,14 @@
     "__prefab": {
       "__id__": 31
     },
-    "_alignFlags": 8,
+    "_alignFlags": 9,
     "_target": null,
-    "_left": 20.000000000000284,
+    "_left": 20,
     "_right": 0,
-    "_top": 0,
+    "_top": 58.063,
     "_bottom": 0,
     "_horizontalCenter": 0,
-    "_verticalCenter": 0,
+    "_verticalCenter": 143.665,
     "_isAbsLeft": true,
     "_isAbsRight": true,
     "_isAbsTop": true,
@@ -3075,7 +3075,7 @@
     "value": {
       "__type__": "cc.Vec3",
       "x": -235,
-      "y": 27.025,
+      "y": 131.937,
       "z": 0
     }
   },
@@ -3652,14 +3652,14 @@
     "__prefab": {
       "__id__": 183
     },
-    "_alignFlags": 16,
+    "_alignFlags": 17,
     "_target": null,
     "_left": 20,
     "_right": 0,
-    "_top": 0,
+    "_top": 58.063,
     "_bottom": 0,
     "_horizontalCenter": 0,
-    "_verticalCenter": 0,
+    "_verticalCenter": 143.665,
     "_isAbsLeft": true,
     "_isAbsRight": true,
     "_isAbsTop": true,
@@ -5951,7 +5951,7 @@
     "value": {
       "__type__": "cc.Vec3",
       "x": 0,
-      "y": 27.025,
+      "y": 131.937,
       "z": 0
     }
   },
@@ -6528,14 +6528,14 @@
     "__prefab": {
       "__id__": 335
     },
-    "_alignFlags": 32,
+    "_alignFlags": 33,
     "_target": null,
     "_left": 20,
-    "_right": 20.000000000000284,
+    "_right": 20,
-    "_top": 0,
+    "_top": 58.063,
     "_bottom": 0,
     "_horizontalCenter": 0,
-    "_verticalCenter": 0,
+    "_verticalCenter": 143.665,
     "_isAbsLeft": true,
     "_isAbsRight": true,
     "_isAbsTop": true,
@@ -8827,7 +8827,7 @@
     "value": {
       "__type__": "cc.Vec3",
       "x": 235,
-      "y": 27.025,
+      "y": 131.937,
       "z": 0
     }
   },
@@ -9290,7 +9290,7 @@
     "_lpos": {
       "__type__": "cc.Vec3",
       "x": 0,
-      "y": -349.073,
+      "y": -237.659,
       "z": 0
     },
     "_lrot": {
@@ -10306,12 +10306,12 @@
     "__prefab": {
       "__id__": 523
     },
-    "_alignFlags": 2,
+    "_alignFlags": 4,
     "_target": null,
     "_left": 0,
     "_right": 0,
     "_top": 0,
-    "_bottom": 183.25900000000001,
+    "_bottom": -49.07299999999998,
     "_horizontalCenter": 0,
     "_verticalCenter": -387.69,
     "_isAbsLeft": true,
@@ -10357,13 +10357,13 @@
     },
     "_contentSize": {
       "__type__": "cc.Size",
-      "width": 720.0000000000006,
+      "width": 720,
-      "height": 330
+      "height": 700
     },
     "_anchorPoint": {
       "__type__": "cc.Vec2",
       "x": 0.5,
-      "y": 0
+      "y": 0.5
     },
     "_id": ""
   },
@@ -10390,7 +10390,7 @@
     "_top": 600,
     "_bottom": 0,
     "_horizontalCenter": 0,
-    "_verticalCenter": 169.378,
+    "_verticalCenter": 0,
     "_isAbsLeft": true,
     "_isAbsRight": true,
     "_isAbsTop": true,
@@ -10490,7 +10490,7 @@
     },
     "_contentSize": {
       "__type__": "cc.Size",
-      "width": 720.0000000000006,
+      "width": 720,
       "height": 1280
     },
     "_anchorPoint": {
@@ -10518,8 +10518,8 @@
     },
     "_alignFlags": 45,
     "_target": null,
-    "_left": -3.6514001698782925e-16,
+    "_left": 0,
-    "_right": -2.8421709430404007e-13,
+    "_right": 0,
     "_top": 0,
     "_bottom": 0,
     "_horizontalCenter": 0,