test: add FdoUi delete regression

[johnml1135]

Summary

This PR contains the remaining focused FdoUi regression test extracted from #724:

• proves CmObjectUi.DeleteUnderlyingObject() publishes EventConstants.DeleteRecord for the current object

Why Separate

• The change is test-only coverage for the pub/sub delete path.
• It is not required for the render-speedup implementation itself.
• Keeping it separate keeps perf: Views engine render optimizations — warm 99.99% faster, cold 10% faster #724 focused on Views render performance, render verification, and the root-site behavior needed to support that work.

Validation

• get_errors on Src/FdoUi/FdoUiTests/FdoUiTests.cs: no errors.
• Attempted ./test.ps1 -SkipNative -TestProject "FdoUiTests" -TestFilter "FullyQualifiedName~DeleteUnderlyingObject_PublishesDeleteRecordForCurrentObject"; local build is currently blocked before the managed test runs by an unrelated native Views build failure where VwRootBox is abstract because IVwRootBox::get_NeedsReconstruct(ComBool *) is not implemented.

Related PR

• perf: Views engine render optimizations — warm 99.99% faster, cold 10% faster #724 keeps the render-speedup and render-verification changes.
• chore: separate non-render cleanup #865 contains the earlier non-render cleanup that had already been split from perf: Views engine render optimizations — warm 99.99% faster, cold 10% faster #724.

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This change is 

[Copilot]

Pull request overview

Note

Copilot was unable to run its full agentic suite in this review.

This PR separates non-render follow-up work by adding a focused FdoUi regression test for the delete pub/sub path, and hardening several Generic native macros to use two-step token-pasting for line-number-based local-variable names.

Changes:

• Added an FdoUi regression test asserting CmObjectUi.DeleteUnderlyingObject() publishes EventConstants.DeleteRecord for the current object.
• Updated MeasureDuration, LockThis/LockObj, and GenLockThis/GenLockObj macros to use two-step token pasting with __LINE__.

Reviewed changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 3 comments.

File	Description
Src/Generic/UtilTime.h	Adds two-step concat helper macros used by MeasureDuration to correctly paste __LINE__.
Src/Generic/UtilCom.h	Adds two-step concat helper macros used by LockThis/LockObj to correctly paste __LINE__.
Src/Generic/GenSmartPtr.h	Adds two-step concat helper macros used by GenLockThis/GenLockObj to correctly paste __LINE__.
Src/FdoUi/FdoUiTests/FdoUiTests.cs	Adds a regression test ensuring DeleteUnderlyingObject() publishes DeleteRecord.

[github-actions]

NUnit Tests

    1 files  ±0      1 suites  ±0   6m 23s ⏱️ -2s
4 103 tests +1  4 032 ✅ +1  71 💤 ±0  0 ❌ ±0 
4 112 runs  +1  4 041 ✅ +1  71 💤 ±0  0 ❌ ±0 

Results for commit b63a1f9. ± Comparison against base commit db39df6.

♻️ This comment has been updated with latest results.

[johnml1135]

This has become almost a nothing - I am closing it.