fix: 位置调整

package.json

 {
   "name": "panda-xform",
-  "version": "4.2.6",
-  "description": "4.2.6 增加滚动条",
+  "version": "4.2.7",
+  "description": "4.2.7 位置调整",
   "keywords": [
     "panda-xform"
   ],

src/main.less

@@ -13,7 +13,6 @@ body #app {
 .pandaXform {
   width: 100%;
   height: 100%;
-  padding: 10px;
   background: white;
   .fr-generator-container .left-layout {
     padding: 10px 0 0 0;
@@ -34,6 +33,7 @@ body #app {
     height: 100%;
     .@{ant-prefix}-spin-container {
       height: 100%;
+      padding: 10px;
       overflow: auto;
       &::-webkit-scrollbar {
         width: 6px;