feat: add className property to EggPrototypeInfo

[popomore]

Checklist

• npm test passes
• tests and/or benchmarks are included
• documentation is changed or added
• commit message follows commit guidelines

Affected core subsystem(s)

Description of change

[codecov]

Codecov Report

Patch and project coverage have no change.

Comparison is base (648b5fc) 92.45% compared to head (2c71715) 92.45%.

❗ Current head 2c71715 differs from pull request most recent head 21c7fd2. Consider uploading reports for the commit 21c7fd2 to get more accurate results

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #157   +/-   ##
=======================================
  Coverage   92.45%   92.45%           
=======================================
  Files         230      230           
  Lines        4903     4903           
  Branches      520      520           
=======================================
  Hits         4533     4533           
  Misses        370      370           

Files Changed	Coverage Δ
core/core-decorator/src/decorator/Prototype.ts	100.00% <ø> (ø)

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[popomore]

除了 innerObject，其他应该都有 className