fix(sheet): fix error edit position after merging

[ybzky]

• I am sure that the code is update-to-date with the dev branch.

close #1438

修复问题
1.合并单元格后直接编辑编辑框位置不正确
2.undo、redo之前选区是不跟随合并单元格选区变化的问题
3.合并区间内有值的情况下 点击弹出modal的button导致焦点捕获后编辑不响应问题

[#1438]

[github-actions]

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[codecov]

Codecov Report

Attention: Patch coverage is 8.33333% with 44 lines in your changes are missing coverage. Please review.

Project coverage is 32.75%. Comparing base (a684e9d) to head (8a63940).
Report is 60 commits behind head on dev.

Files	Patch %	Lines
...heets/src/commands/utils/handle-merge-operation.ts	0.00%	42 Missing ⚠️
packages/ui/src/services/layout/layout.service.ts	0.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##              dev    #1520      +/-   ##
==========================================
- Coverage   32.78%   32.75%   -0.03%     
==========================================
  Files         914      915       +1     
  Lines       50810    50857      +47     
  Branches    10592    10606      +14     
==========================================
+ Hits        16656    16660       +4     
- Misses      34154    34197      +43     

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