NAS-134102 / 25.10 / More strict null checks

[undsoft]

Changes:

Code review and shallow regression testing.

[bugclerk]

Jira URL: https://ixsystems.atlassian.net/browse/NAS-134102

[codecov]

Codecov Report

Attention: Patch coverage is 75.40984% with 15 lines in your changes missing coverage. Please review.

Project coverage is 83.24%. Comparing base (8c9931d) to head (466eb1c).

✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
...dules/lists/ordered-list/ordered-list.component.ts	0.00%	6 Missing ⚠️
...les/page-header/breadcrumb/breadcrumb.component.ts	33.33%	2 Missing ⚠️
...apps/components/app-wizard/app-wizard.component.ts	33.33%	2 Missing ⚠️
...-dataset-dialog/create-dataset-dialog.component.ts	50.00%	1 Missing ⚠️
...ork/widget-interface/widget-interface.component.ts	50.00%	1 Missing ⚠️
...ions-section/name-and-options-section.component.ts	50.00%	1 Missing ⚠️
...les/permissions/stores/dataset-acl-editor.store.ts	0.00%	1 Missing ⚠️
...omponents/configuration/configuration.component.ts	75.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #11519      +/-   ##
==========================================
- Coverage   83.25%   83.24%   -0.01%     
==========================================
  Files        1652     1652              
  Lines       58999    59011      +12     
  Branches     6323     6344      +21     
==========================================
+ Hits        49117    49124       +7     
- Misses       9882     9887       +5     

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[AlexKarpov98]

Code looks and works good 👍

[bugclerk]

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