refactor: enable isolatedModules compiler option

[Laffery]

PR Checklist

Please check if your PR fulfills the following requirements:

• The commit message follows our guidelines: /~https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/CONTRIBUTING.md#commit
• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

PR Type

What kind of change does this PR introduce?

• Bugfix
• Feature
• Code style update (formatting, local variables)
• Refactoring (no functional changes, no api changes)
• Build related changes
• CI related changes
• Documentation content changes
• Application (the showcase website) / infrastructure changes
• Other... Please describe:

What is the current behavior?

Issue Number: N/A

What is the new behavior?

https://blog.angular.dev/using-isolatedmodules-in-angular-18-2-68a7d3a6c03d

#8718 is merged, this PR is to enable isolatedModules compiler option for show case website, which means that developers will be able to use isolatedModules to speed up their build process.

Does this PR introduce a breaking change?

• Yes
• No

Other information

[zorro-bot]

This preview will be available after the AzureCI is passed.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 91.91%. Comparing base (f1d8d92) to head (6057ff0).
Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #8970   +/-   ##
=======================================
  Coverage   91.91%   91.91%           
=======================================
  Files         555      555           
  Lines       19708    19708           
  Branches     2944     2944           
=======================================
+ Hits        18114    18115    +1     
+ Misses       1267     1266    -1     
  Partials      327      327           

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[HyperLife1119]

LGTM