fix: chunk groups' order when building mpa

[xusd320]

The entry modules' order should be stable, or else, the css order in common chunks will be unstable.

[codecov]

Codecov Report

Attention: Patch coverage is 66.66667% with 1 line in your changes missing coverage. Please review.

Project coverage is 55.03%. Comparing base (9c55f1c) to head (c731eff).
Report is 6 commits behind head on master.

Files with missing lines	Patch %	Lines
crates/mako/src/module_graph.rs	50.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1763      +/-   ##
==========================================
+ Coverage   54.80%   55.03%   +0.22%     
==========================================
  Files         180      180              
  Lines       18083    18146      +63     
==========================================
+ Hits         9911     9987      +76     
+ Misses       8172     8159      -13     

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