ui: fix NAN% used memory for vm

[shwstppr]

Description

Fixes #11219

Types of changes

• Breaking change (fix or feature that would cause existing functionality to change)
• New feature (non-breaking change which adds functionality)
• Bug fix (non-breaking change which fixes an issue)
• Enhancement (improves an existing feature and functionality)
• Cleanup (Code refactoring and cleanup, that may add test cases)
• build/CI
• test (unit or integration test code)

Feature/Enhancement Scale or Bug Severity

Feature/Enhancement Scale

• Major
• Minor

Bug Severity

• BLOCKER
• Critical
• Major
• Minor
• Trivial

Screenshots (if appropriate):

How Has This Been Tested?

How did you try to break this feature and the system with this change?

[shwstppr]

@blueorangutan ui

[blueorangutan]

@shwstppr a Jenkins job has been kicked to build UI QA env. I'll keep you posted as I make progress.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 17.00%. Comparing base (6e19c07) to head (6b1cccf).
⚠️ Report is 754 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##               main   #11307      +/-   ##
============================================
+ Coverage     15.17%   17.00%   +1.82%     
- Complexity    11349    14717    +3368     
============================================
  Files          5416     5832     +416     
  Lines        475621   517561   +41940     
  Branches      58054    62982    +4928     
============================================
+ Hits          72168    87987   +15819     
- Misses       395380   419641   +24261     
- Partials       8073     9933    +1860     

Flag	Coverage Δ
uitests	3.82% <ø> (-0.47%)	⬇️
unittests	17.95% <ø> (+2.05%)	⬆️

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[blueorangutan]

UI build: ✔️
Live QA URL: https://qa.cloudstack.cloud/simulator/pr/11307 (QA-JID-693)

[DaanHoogland]

compared to before PR version in QA, fixed.