NAS-131912 / 25.04 / Adapt to back-end changes in disk stats

[bvasilenko]

Testing:

Go to Reporting > Disk and ensure that the stats are displayed correctly

[bugclerk]

Jira URL: https://ixsystems.atlassian.net/browse/NAS-131912

[codecov]

Codecov Report

Attention: Patch coverage is 57.14286% with 3 lines in your changes missing coverage. Please review.

Project coverage is 82.82%. Comparing base (74755a4) to head (bb47c5f).
Report is 37 commits behind head on master.

✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
src/app/admin.routes.ts	0.00%	2 Missing ⚠️
src/app/pages/reports-dashboard/reports.service.ts	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #11234      +/-   ##
==========================================
+ Coverage   82.46%   82.82%   +0.35%     
==========================================
  Files        1650     1655       +5     
  Lines       58697    58977     +280     
  Branches     6073     6117      +44     
==========================================
+ Hits        48407    48846     +439     
+ Misses      10290    10131     -159     

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[denysbutenko]

The heading text could be improved. It works great.

[bugclerk]

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