[UI] Add dedicated account field dropdown on zone creation

[nvazquez]

Description

This PR adds the account selection dropdown to the dedicated account field on zone creation

Fixes: #10919

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?

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 16.15%. Comparing base (61e74e0) to head (8dfc126).
Report is 4 commits behind head on 4.20.

Additional details and impacted files

@@            Coverage Diff            @@
##               4.20   #11195   +/-   ##
=========================================
  Coverage     16.15%   16.15%           
- Complexity    13273    13274    +1     
=========================================
  Files          5656     5656           
  Lines        497728   497732    +4     
  Branches      60360    60361    +1     
=========================================
+ Hits          80420    80421    +1     
- Misses       408357   408360    +3     
  Partials       8951     8951           

Flag	Coverage Δ
uitests	4.00% <ø> (-0.01%)	⬇️
unittests	17.00% <ø> (+<0.01%)	⬆️

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[nvazquez]

@blueorangutan ui

[blueorangutan]

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

[blueorangutan]

UI build: ✔️
Live QA URL: https://qa.cloudstack.cloud/simulator/pr/11195 (QA-JID-664)

[DaanHoogland]

clgtm, tested in qa