Add support to clone existing offerings and update them

[Pearl1594]

Description

This PR adds APIs to clone existing offerings - service, system, network, VPC, backup and update certain parameters of the existing offering.

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

❌ Patch coverage is 49.60904% with 580 lines in your changes missing coverage. Please review.
✅ Project coverage is 17.97%. Comparing base (a5b6bc3) to head (6ea054c).

Files with missing lines	Patch %	Lines
...ain/java/com/cloud/network/vpc/VpcManagerImpl.java	0.48%	205 Missing and 2 partials ⚠️
.../cloud/configuration/ConfigurationManagerImpl.java	70.46%	102 Missing and 64 partials ⚠️
.../command/admin/network/NetworkOfferingBaseCmd.java	29.64%	129 Missing and 11 partials ⚠️
...rg/apache/cloudstack/backup/BackupManagerImpl.java	48.88%	11 Missing and 12 partials ⚠️
...i/command/admin/backup/CloneBackupOfferingCmd.java	66.00%	17 Missing ⚠️
...i/command/admin/offering/CloneDiskOfferingCmd.java	0.00%	13 Missing ⚠️
...ack/api/command/admin/vpc/CloneVPCOfferingCmd.java	60.00%	10 Missing ⚠️
...in/java/com/cloud/server/ManagementServerImpl.java	0.00%	4 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main   #12357      +/-   ##
============================================
+ Coverage     17.89%   17.97%   +0.07%     
- Complexity    16092    16284     +192     
============================================
  Files          5936     5950      +14     
  Lines        532734   534978    +2244     
  Branches      65165    65703     +538     
============================================
+ Hits          95347    96157     +810     
- Misses       426711   427999    +1288     
- Partials      10676    10822     +146     

Flag	Coverage Δ
uitests	3.56% <ø> (-0.13%)	⬇️
unittests	19.12% <49.60%> (+0.12%)	⬆️

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[github-actions]

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

[DaanHoogland]

could you make the new if and for blocks separte methods (with clear names please?

[sonarqubecloud]

Quality Gate failed

Failed conditions
36.9% Coverage on New Code (required ≥ 40%)

See analysis details on SonarQube Cloud