feat(input): 优化 clearable 按钮显示逻辑

[PDieE]

🤔 这个 PR 的性质是？

• 日常 bug 修复
• 新特性提交
• 文档改进
• 演示代码改进
• 组件样式/交互改进
• CI/CD 改进
• 重构
• 代码风格优化
• 测试用例
• 分支合并
• 其他

🔗 相关 Issue

💡 需求背景和解决方案

📝 更新日志

feat(input): 优化 clearable 按钮显示逻辑区分 password 输入框

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[github-actions]

[codecov-commenter]

Codecov Report

Merging #1415 (81194b5) into develop (492d477) will increase coverage by 2.68%.
The diff coverage is 90.99%.

@@             Coverage Diff             @@
##           develop    #1415      +/-   ##
===========================================
+ Coverage    57.94%   60.62%   +2.68%     
===========================================
  Files          407      646     +239     
  Lines        15371    16141     +770     
  Branches      2931     2931              
===========================================
+ Hits          8907     9786     +879     
+ Misses        6187     6061     -126     
- Partials       277      294      +17     

Impacted Files	Coverage Δ
src/alert/_example/icon.vue	100.00% <ø> (ø)
src/alert/_usage/index.vue	0.00% <ø> (ø)
src/anchor/_usage/index.vue	0.00% <ø> (ø)
src/avatar/_example/base.vue	100.00% <ø> (ø)
src/avatar/_usage/index.vue	0.00% <ø> (ø)
src/badge/_usage/index.vue	0.00% <ø> (ø)
src/breadcrumb/_example/custom.vue	100.00% <ø> (ø)
src/breadcrumb/_example/dropdown.vue	100.00% <ø> (ø)
src/button/_example/icon.vue	100.00% <ø> (ø)
src/button/_usage/index.vue	0.00% <ø> (ø)
... and 453 more

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