fix(cli): 修复 watch 模式自定义 cwd 导致编译两次的问题

[noyobo]

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[codecov]

Codecov Report

Merging #1008 into master will decrease coverage by 0.05%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##           master    #1008      +/-   ##
==========================================
- Coverage   95.60%   95.54%   -0.06%     
==========================================
  Files         331      331              
  Lines        3526     3528       +2     
  Branches      502      502              
==========================================
  Hits         3371     3371              
- Misses        155      157       +2     

Impacted Files	Coverage Δ
packages/remax-cli/src/build/watch.ts	20.83% <0.00%> (-1.90%)	⬇️

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