NAS-134095 / 25.04-RC.1 / Allow root disk size to be increased (by undsoft)

[bugclerk]

Automatic cherry-pick failed. Please resolve conflicts by running:

git reset --hard HEAD~1
git cherry-pick -x 5ba73c2c5984f5d93693f6797f7cd802dde476ea
git cherry-pick -x f14ec1c383e5f5f53bec600d92695dd658087540
git cherry-pick -x 29fe19b93b84aff4e350a7d73d2d3d87b591e1b1
git cherry-pick -x b884e363db6b2c2b1ba00ceda79ce3f1e5813e53

If the original PR was merged via a squash, you can just cherry-pick the squashed commit:

git reset --hard HEAD~1
git cherry-pick -x b93bfe9cd964b27588b3de65fb8cd3d053a62c58

Changes:

After VM is created, allows root disk size to be increased.

Original PR: #11532
Jira URL: https://ixsystems.atlassian.net/browse/NAS-134095

[undsoft]

backported

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Please upload report for BASE (stable/fangtooth@5519a01). Learn more about missing BASE report.

✅ All tests successful. No failed tests found.

Additional details and impacted files

@@                 Coverage Diff                 @@
##             stable/fangtooth   #11547   +/-   ##
===================================================
  Coverage                    ?   82.99%           
===================================================
  Files                       ?     1653           
  Lines                       ?    58949           
  Branches                    ?     6235           
===================================================
  Hits                        ?    48925           
  Misses                      ?    10024           
  Partials                    ?        0           

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[bugclerk]

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