docs(Popup): update attach selector in example (#3887)

Author: RylanBot

packages/components/popup/_example/container.tsx

@@ -3,13 +3,13 @@ import { Button, Popup, Space } from 'tdesign-react';
 
 export default function Attach() {
   return (
-    <Space>
-      <Popup trigger="click" content="触发元素的父元素是组件跟元素，通过 CSSSelector 定义" attach=".t-space">
-        <Button>点击查看我的父元素(CSSSelector)</Button>
+    <Space className='attach-container' style={{ position: 'relative' }}>
+      <Popup trigger="click" content="触发元素的父元素是组件根元素，通过 CSS Selector 定义" attach=".attach-container">
+        <Button>点击查看我的父元素(CSS Selector)</Button>
       </Popup>
       <Popup
         trigger="click"
-        content="触发元素的父元素是组件跟元素，通过 Function 定义"
+        content="触发元素的父元素是组件根元素，通过 Function 定义"
         attach={(triggerElement) => triggerElement.parentElement}
       >
         <Button>点击查看我的父元素(Function)</Button>

test/snap/__snapshots__/csr.test.jsx.snap

@@ -78149,8 +78149,8 @@ exports[`csr snapshot test > csr test packages/components/popup/_example/base.ts
 exports[`csr snapshot test > csr test packages/components/popup/_example/container.tsx 1`] = `
 <div>
   <div
-    class="t-space t-space-horizontal"
-    style="gap: 16px;"
+    class="t-space attach-container t-space-horizontal"
+    style="position: relative; gap: 16px;"
   >
     <div
       class="t-space-item"
@@ -78162,7 +78162,7 @@ exports[`csr snapshot test > csr test packages/components/popup/_example/contain
         <span
           class="t-button__text"
         >
-          点击查看我的父元素(CSSSelector)
+          点击查看我的父元素(CSS Selector)
         </span>
       </button>
     </div>
@@ -150040,7 +150040,7 @@ exports[`ssr snapshot test > ssr test packages/components/popconfirm/_example/th
 
 exports[`ssr snapshot test > ssr test packages/components/popup/_example/base.tsx 1`] = `"<button type="button" class="t-button t-button--theme-primary t-button--variant-base"><span class="t-button__text">Hover me</span></button>"`;
 
-exports[`ssr snapshot test > ssr test packages/components/popup/_example/container.tsx 1`] = `"<div style="gap:16px" class="t-space t-space-horizontal"><div class="t-space-item"><button type="button" class="t-button t-button--theme-primary t-button--variant-base"><span class="t-button__text">点击查看我的父元素(CSSSelector)</span></button></div><div class="t-space-item"><button type="button" class="t-button t-button--theme-primary t-button--variant-base"><span class="t-button__text">点击查看我的父元素(Function)</span></button></div></div>"`;
+exports[`ssr snapshot test > ssr test packages/components/popup/_example/container.tsx 1`] = `"<div style="position:relative;gap:16px" class="t-space attach-container t-space-horizontal"><div class="t-space-item"><button type="button" class="t-button t-button--theme-primary t-button--variant-base"><span class="t-button__text">点击查看我的父元素(CSS Selector)</span></button></div><div class="t-space-item"><button type="button" class="t-button t-button--theme-primary t-button--variant-base"><span class="t-button__text">点击查看我的父元素(Function)</span></button></div></div>"`;
 
 exports[`ssr snapshot test > ssr test packages/components/popup/_example/destroy.tsx 1`] = `"<button type="button" class="t-button t-button--theme-primary t-button--variant-base"><span class="t-button__text">Hover me</span></button>"`;
 

test/snap/__snapshots__/ssr.test.jsx.snap

@@ -730,7 +730,7 @@ exports[`ssr snapshot test > ssr test packages/components/popconfirm/_example/th
 
 exports[`ssr snapshot test > ssr test packages/components/popup/_example/base.tsx 1`] = `"<button type="button" class="t-button t-button--theme-primary t-button--variant-base"><span class="t-button__text">Hover me</span></button>"`;
 
-exports[`ssr snapshot test > ssr test packages/components/popup/_example/container.tsx 1`] = `"<div style="gap:16px" class="t-space t-space-horizontal"><div class="t-space-item"><button type="button" class="t-button t-button--theme-primary t-button--variant-base"><span class="t-button__text">点击查看我的父元素(CSSSelector)</span></button></div><div class="t-space-item"><button type="button" class="t-button t-button--theme-primary t-button--variant-base"><span class="t-button__text">点击查看我的父元素(Function)</span></button></div></div>"`;
+exports[`ssr snapshot test > ssr test packages/components/popup/_example/container.tsx 1`] = `"<div style="position:relative;gap:16px" class="t-space attach-container t-space-horizontal"><div class="t-space-item"><button type="button" class="t-button t-button--theme-primary t-button--variant-base"><span class="t-button__text">点击查看我的父元素(CSS Selector)</span></button></div><div class="t-space-item"><button type="button" class="t-button t-button--theme-primary t-button--variant-base"><span class="t-button__text">点击查看我的父元素(Function)</span></button></div></div>"`;
 
 exports[`ssr snapshot test > ssr test packages/components/popup/_example/destroy.tsx 1`] = `"<button type="button" class="t-button t-button--theme-primary t-button--variant-base"><span class="t-button__text">Hover me</span></button>"`;