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 0% with 459 lines in your changes missing coverage. Please review.
✅ Project coverage is 17.58%. Comparing base (5bf869c) to head (2afc1b7).
⚠️ Report is 6 commits behind head on main.

Files with missing lines	Patch %	Lines
.../cloud/configuration/ConfigurationManagerImpl.java	0.00%	411 Missing ⚠️
...command/admin/network/CloneNetworkOfferingCmd.java	0.00%	19 Missing ⚠️
...i/command/admin/offering/CloneDiskOfferingCmd.java	0.00%	13 Missing ⚠️
...ommand/admin/offering/CloneServiceOfferingCmd.java	0.00%	13 Missing ⚠️
...in/java/com/cloud/server/ManagementServerImpl.java	0.00%	3 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main   #12357      +/-   ##
============================================
+ Coverage     17.51%   17.58%   +0.07%     
- Complexity    15585    15666      +81     
============================================
  Files          5914     5918       +4     
  Lines        529867   530426     +559     
  Branches      64722    64808      +86     
============================================
+ Hits          92782    93280     +498     
- Misses       426635   426678      +43     
- Partials      10450    10468      +18     

Flag	Coverage Δ
uitests	3.58% <ø> (ø)
unittests	18.65% <0.00%> (+0.07%)	⬆️

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[sonarqubecloud]

Quality Gate failed

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

See analysis details on SonarQube Cloud