feat(tree-menu,skeleton): [tree-menu,skeleton] modify testing issues

Author: wuyiping0628

examples/sites/demos/pc/app/fullscreen/webdoc/fullscreen.js

@@ -9,8 +9,8 @@ export default {
         'en-US': 'Component Use'
       },
       desc: {
-        'zh-CN': '详细用法参考如下示例',
-        'en-US': 'For details, see the following example.'
+        'zh-CN': '组件式使用详细用法参考如下示例',
+        'en-US': 'For detailed usage of component-based usage, please refer to the following example.'
       },
       codeFiles: ['example-component.vue']
     },
@@ -21,8 +21,8 @@ export default {
         'en-US': 'Functional use'
       },
       desc: {
-        'zh-CN': '详细用法参考如下示例',
-        'en-US': 'For details, see the following example.'
+        'zh-CN': '函数式使用详细用法参考如下示例',
+        'en-US': 'For detailed usage of functional expressions, please refer to the following example.'
       },
       codeFiles: ['example-api.vue']
     },

packages/theme/src/skeleton-item/index.less

@@ -19,6 +19,7 @@
   border-radius: var(--tv-SkeletonItem-border-radius);
 
   &--square {
+    margin-bottom: 12px;
     width: 100%;
     height: var(--tv-SkeletonItem-square-height);
   }

packages/theme/src/tree-menu/index.less

@@ -106,7 +106,7 @@
   }
 
   &.is-expand {
-    width: 40px;
+    width: 36px;
     .@{tree-menu-prefix-cls}__toggle-button {
       transform: translateX(70%) translateY(-50%);
 
@@ -203,7 +203,6 @@
         }
 
         .tree-node-name {
-          display: flex;
           align-items: center;
           padding: 0 var(--tv-TreeMenu-node-body-text-padding-x);