chore: stlye patch of statistic (#35874)

* chore: stlye patch of statistic

* test: Udpate snapshot

components/statistic/Statistic.tsx

@@ -54,7 +54,7 @@ const Statistic: React.FC<StatisticProps & ConfigConsumerProps> = props => {
   return (
     <div className={cls} style={style} onMouseEnter={onMouseEnter} onMouseLeave={onMouseLeave}>
       {title && <div className={`${prefixCls}-title`}>{title}</div>}
-      <Skeleton paragraph={false} loading={loading}>
+      <Skeleton paragraph={false} loading={loading} className={`${prefixCls}-skeleton`}>
         <div style={valueStyle} className={`${prefixCls}-content`}>
           {prefix && <span className={`${prefixCls}-content-prefix`}>{prefix}</span>}
           {valueRender ? valueRender(valueNode) : valueNode}

components/statistic/__tests__/__snapshots__/demo-extend.test.ts.snap

@@ -86,7 +86,7 @@ exports[`renders ./components/statistic/demo/basic.md extend context correctly 1
         Active Users
       </div>
       <div
-        class="ant-skeleton"
+        class="ant-skeleton ant-statistic-skeleton"
       >
         <div
           class="ant-skeleton-content"

components/statistic/__tests__/__snapshots__/demo.test.js.snap

@@ -86,7 +86,7 @@ exports[`renders ./components/statistic/demo/basic.md correctly 1`] = `
         Active Users
       </div>
       <div
-        class="ant-skeleton"
+        class="ant-skeleton ant-statistic-skeleton"
       >
         <div
           class="ant-skeleton-content"

components/statistic/style/index.less

@@ -12,6 +12,10 @@
     font-size: @statistic-title-font-size;
   }
 
+  &-skeleton {
+    padding-top: @padding-md;
+  }
+
   &-content {
     color: @heading-color;
     font-size: @statistic-content-font-size;