explanatory error message on delete attempt of default system offering

[DaanHoogland]

Description

This PR...

Fixes: #8882

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-commenter]

Codecov Report

❌ Patch coverage is 0% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 13.17%. Comparing base (7a9985b) to head (0b1b18e).
⚠️ Report is 69 commits behind head on 4.18.

Files with missing lines	Patch %	Lines
.../cloud/configuration/ConfigurationManagerImpl.java	0.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               4.18    #8883      +/-   ##
============================================
- Coverage     13.17%   13.17%   -0.01%     
+ Complexity     9215     9214       -1     
============================================
  Files          2725     2725              
  Lines        258215   258215              
  Branches      40247    40247              
============================================
- Hits          34017    34013       -4     
- Misses       219885   219891       +6     
+ Partials       4313     4311       -2     

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[vishesh92]

@DaanHoogland I have changed the base to 4.18 according to the milestone.

[vishesh92]

clgtm

[vishesh92]

@blueorangutan package

[blueorangutan]

@vishesh92 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 9164

[sureshanaparti]

clgtm

[sureshanaparti]

@blueorangutan package

[blueorangutan]

@sureshanaparti 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.

[vishesh92]

clgtm

[blueorangutan]

Packaging result [SF]: ✔️ el7 ✔️ el8 ✔️ el9 ✔️ debian ✔️ suse15. SL-JID 9172

[DaanHoogland]

@blueorangutan test

[blueorangutan]

@DaanHoogland a [SL] Trillian-Jenkins test job (centos7 mgmt + kvm-centos7) has been kicked to run smoke tests

[blueorangutan]

[SF] Trillian test result (tid-9747)
Environment: kvm-centos7 (x2), Advanced Networking with Mgmt server 7
Total time taken: 46102 seconds
Marvin logs: https://github.com/blueorangutan/acs-prs/releases/download/trillian/pr8883-t9747-kvm-centos7.zip
Smoke tests completed. 110 look OK, 0 have errors, 0 did not run
Only failed and skipped tests results shown below:

Test	Result	Time (s)	Test File