fix: 解决页面切换的问题

[guoenxuan]

• 解决pageNo===0时，即打开第1个页面时在鸿蒙平台动画不能真正的停止的问题
• 解决返回时上一个页面瞬间白屏的问题

这个 PR 做了什么? (简要描述所做更改)

这个 PR 是什么类型? (至少选择一个)

• [ ] 错误修复(Bugfix) issue: fix #
• [ ] 新功能(Feature)
• [ ] 代码重构(Refactor)
• [ ] TypeScript 类型定义修改(Typings)
• [ ] 文档修改(Docs)
• [ ] 代码风格更新(Code style update)
• [ ] 其他，请描述(Other, please describe):

这个 PR 涉及以下平台:

• [ ] 所有小程序
• [ ] 微信小程序
• [ ] 支付宝小程序
• [ ] 百度小程序
• [ ] 字节跳动小程序
• [ ] QQ 轻应用
• [ ] 京东小程序
• [ ] 快应用平台（QuickApp）
• [ ] Web 平台（H5）
• [ ] 移动端（React-Native）
• [ ] 鸿蒙（harmony）

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 0% with 11 lines in your changes are missing coverage. Please review.

Project coverage is 58.48%. Comparing base (4c79d5c) to head (3cc715f). Report is 24 commits behind head on main.

:exclamation: Current head 3cc715f differs from pull request most recent head d7ccb5a. Consider uploading reports for the commit d7ccb5a to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #15434      +/-   ##
==========================================
- Coverage   58.53%   58.48%   -0.05%     
==========================================
  Files         491      491              
  Lines       21882    21902      +20     
  Branches     5621     5628       +7     
==========================================
+ Hits        12808    12810       +2     
+ Misses       7909     7908       -1     
- Partials     1165     1184      +19     

Flag	Coverage Δ
taro-cli	63.29% <ø> (+5.88%)	:arrow_up:
taro-runner	46.25% <ø> (ø)
taro-runtime	65.35% <ø> (ø)
taro-web	40.22% <0.00%> (-0.07%)	:arrow_down:

Flags with carried forward coverage won't be shown. Click here to find out more.

Files	Coverage Δ
packages/taro-router/src/style.ts	25.00% <ø> (ø)
packages/taro-router/src/router/spa.ts	10.19% <0.00%> (-0.27%)	:arrow_down:
packages/taro-router/src/router/page.ts	5.28% <0.00%> (-0.16%)	:arrow_down:

... and 16 files with indirect coverage changes

[ZEJIA-LIU]

这个 pr 看起来是做了两件事情，最好分开提合并起来会方便一些。 要简明写一些 这个 pr 做了什么事情，是什么类型的 pr，改动涉及到哪一些平台。 由于改动的的属于公共包，所以如果是修复问题的话，最好关联相关 issue，或者提供可复现的 demo 以及复现路径