合并拉取请求 #3062

* fix(cell): 优化自定义右侧区域demo展示

Author: irisSong

src/packages/cell/demos/h5/demo4.tsx

@@ -2,6 +2,8 @@ import React from 'react'
 import { Cell, Switch } from '@nutui/nutui-react'
 
 const App = () => {
-  return <Cell title="Switch" extra={<Switch defaultChecked />} />
+  return (
+    <Cell title="Switch" align="center" extra={<Switch defaultChecked />} />
+  )
 }
 export default App

src/packages/cell/demos/taro/demo4.tsx

@@ -4,7 +4,7 @@ import { Cell, Switch } from '@nutui/nutui-react-taro'
 const App = () => {
   return (
     <Cell.Group>
-      <Cell title="Switch" extra={<Switch defaultChecked />} />
+      <Cell title="Switch" align="center" extra={<Switch defaultChecked />} />
     </Cell.Group>
   )
 }