Fix refreshing service bus resources after deleting their namespace

[Zaid-Ajaj]

When creating this resource hierarchy

ServiceBus_Namespace
 | -- ServiceBus_Topic
 | -- ServiceBus_Queue

And deleting the ServiceBus_Namespace, performing pulumi refresh fails to detect that the sub resources have been deleted. Instead fails with "ParentResourceNotFound" . This is similar to the problem mentioned in #4528 as noted by @tsbala in their comment

This PR fixes that problem by recognizing ParentResourceNotFound as proper not found errors and tests the exact scenario via a YAML integration test.

[github-actions]

Does the PR have any schema changes?

Looking good! No breaking changes found.
No new resources/functions.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 62.53%. Comparing base (e874224) to head (c2d231a).
⚠️ Report is 3 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #4539      +/-   ##
==========================================
+ Coverage   62.51%   62.53%   +0.01%     
==========================================
  Files          90       90              
  Lines       10795    10797       +2     
==========================================
+ Hits         6749     6752       +3     
+ Misses       3404     3403       -1     
  Partials      642      642              

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[pulumi-bot]

This PR has been shipped in release v3.14.0.