NSX: Support internal LB service in NSX

[Pearl1594]

Description

This PR...

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

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

Attention: 56 lines in your changes are missing coverage. Please review.

Comparison is base (5a4f38c) 29.24% compared to head (fca1df4) 15.80%.
Report is 10 commits behind head on nsx-integration.

Files	Patch %	Lines
...java/org/apache/cloudstack/service/NsxElement.java	18.18%	35 Missing and 1 partial ⚠️
...va/org/apache/cloudstack/service/NsxApiClient.java	0.00%	4 Missing ⚠️
.../cloud/configuration/ConfigurationManagerImpl.java	20.00%	3 Missing and 1 partial ⚠️
...java/com/cloud/server/ConfigurationServerImpl.java	0.00%	4 Missing ⚠️
ui/src/views/network/VpcTiersTab.vue	0.00%	3 Missing ⚠️
...oudstack/api/response/NetworkOfferingResponse.java	0.00%	2 Missing ⚠️
...ommand/admin/network/CreateNetworkOfferingCmd.java	0.00%	1 Missing ⚠️
...loud/api/query/dao/NetworkOfferingJoinDaoImpl.java	0.00%	1 Missing ⚠️
ui/src/views/offering/AddNetworkOffering.vue	0.00%	1 Missing ⚠️

Additional details and impacted files

@@                  Coverage Diff                   @@
##             nsx-integration    #8559       +/-   ##
======================================================
- Coverage              29.24%   15.80%   -13.44%     
+ Complexity             32174    15975    -16199     
======================================================
  Files                   5377     5152      -225     
  Lines                 377973   363048    -14925     
  Branches               54940    53161     -1779     
======================================================
- Hits                  110550    57396    -53154     
- Misses                252658   298854    +46196     
+ Partials               14765     6798     -7967     

Flag	Coverage Δ
simulator-marvin-tests	?
uitests	4.37% <0.00%> (-0.01%)	⬇️
unit-tests	16.79% <18.75%> (+<0.01%)	⬆️

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[Pearl1594]

@blueorangutan package

[blueorangutan]

@Pearl1594 a [SL] Jenkins job has been kicked to build packages. It will be bundled with KVM, XenServer and VMware SystemVM templates. I'll keep you posted as I make progress.

[blueorangutan]

Packaging result [SF]: ✔️ el7 ✔️ el8 ✔️ el9 ✔️ debian ✔️ suse15. SL-JID 8436

[github-actions]

This pull request has merge conflicts. Dear author, please fix the conflicts and sync your branch with the base branch.