fix: 调整多个英雄预制体的缩放和位置参数

- 统一调整多个英雄的局部缩放(_lscale)参数，使英雄模型显示更协调
- 修正英雄位置偏移量，确保英雄在场景中正确对齐
- 调整mo4英雄的碰撞框尺寸，避免与其他元素重叠

assets/resources/game/heros/mo2.prefab

@@ -123,8 +123,8 @@
     },
     "_lscale": {
       "__type__": "cc.Vec3",
-      "x": -1,
-      "y": 1,
+      "x": -0.85,
+      "y": 0.85,
       "z": 1
     },
     "_mobility": 0,
@@ -577,7 +577,7 @@
     "value": {
       "__type__": "cc.Vec3",
       "x": 0,
-      "y": 107.768,
+      "y": 74.322,
       "z": 0
     }
   },
@@ -643,8 +643,8 @@
     ],
     "value": {
       "__type__": "cc.Vec3",
-      "x": 0.7,
-      "y": 1,
+      "x": 0.6,
+      "y": 0.7,
       "z": 1
     }
   },