feat: optimize connect modal UI

[LCJove]

[中文版模板 / Chinese template]

💡 Background and solution

对connect modal 的一些优化工作，

1. 整体的高度不会变化，因此需要对一些内容添加overflow
2. 插件的按钮的位置进行优化，避免右侧出现大量空白
3. 钱包名字过长时，省略展示

🔗 Related issue link

close #653

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🦋 Changeset detected

Latest commit: 455060a

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 3 packages

Name	Type
@ant-design/web3	Minor
@example/ethers-v5	Patch
@example/ethers	Patch

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Name	Status	Preview	Comments	Updated (UTC)
ant-design-web3	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Apr 10, 2024 3:45am

[github-actions]

[kiner-tang]

要不添加一个测试用例测试一下文案超出省略的情况，或者是加一个 demo 感觉也可以

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (b1b8a46) to head (455060a).
Report is 11 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##              main      #776    +/-   ##
==========================================
  Coverage   100.00%   100.00%            
==========================================
  Files          647       649     +2     
  Lines        19537     19736   +199     
  Branches      1114      1122     +8     
==========================================
+ Hits         19537     19736   +199     

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[thinkasany]

高度会不会不太够，感觉这个还是能够同时显示俩个好看。