Consider flexible tags as for detached volume migration

[Pearl1594]

Description

This PR #10021

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

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?

[codecov]

Codecov Report

❌ Patch coverage is 0% with 51 lines in your changes missing coverage. Please review.
✅ Project coverage is 16.23%. Comparing base (f1f779a) to head (89d66a1).
⚠️ Report is 1 commits behind head on 4.20.

Files with missing lines	Patch %	Lines
...in/java/com/cloud/server/ManagementServerImpl.java	0.00%	51 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               4.20   #12453      +/-   ##
============================================
- Coverage     16.23%   16.23%   -0.01%     
  Complexity    13381    13381              
============================================
  Files          5657     5657              
  Lines        499024   499322     +298     
  Branches      60562    60703     +141     
============================================
+ Hits          81029    81077      +48     
- Misses       408959   409204     +245     
- Partials       9036     9041       +5     

Flag	Coverage Δ
uitests	4.00% <ø> (-0.04%)	⬇️
unittests	17.09% <0.00%> (-0.01%)	⬇️

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[sonarqubecloud]

Quality Gate failed

Failed conditions
0.0% Coverage on New Code (required ≥ 40%)

See analysis details on SonarQube Cloud