Replace theme package in package.json

[maliming]

Resolve #18968

[codecov]

Codecov Report

Attention: 144 lines in your changes are missing coverage. Please review.

Comparison is base (8b6c8d5) 51.57% compared to head (8fa04cb) 51.53%.
Report is 1 commits behind head on rel-8.0.

❗ Current head 8fa04cb differs from pull request most recent head d42e810. Consider uploading reports for the commit d42e810 to get more accurate results

Files	Patch %	Lines
...tBuilding/Templates/App/AppNoLayersTemplateBase.cs	0.00%	37 Missing ⚠️
...i/ProjectBuilding/Templates/App/AppTemplateBase.cs	0.00%	37 Missing ⚠️
...Templates/Microservice/MicroserviceTemplateBase.cs	0.00%	37 Missing ⚠️
.../Steps/ReplaceDependencyFromPackageJsonFileStep.cs	0.00%	33 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           rel-8.0   #18978      +/-   ##
===========================================
- Coverage    51.57%   51.53%   -0.04%     
===========================================
  Files         3077     3078       +1     
  Lines        97330    97414      +84     
  Branches      7754     7776      +22     
===========================================
+ Hits         50200    50205       +5     
- Misses       45584    45663      +79     
  Partials      1546     1546              

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[EngincanV]

If we don't specify the version, it will be null and in that case, only the package name will be changed, not the version. For example, if I select basic theme, the CLI won't change the version and it will stay as 3.1.0.

Can you please cover this scenerio? @maliming

[maliming]

ok, I will test this case. Thanks.