SAML SLO does not clear session cookies on logout

[DaanHoogland]

Description

This PR...

Fixes: #13997

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 17.79%. Comparing base (7ea1dca) to head (3a768c4).
⚠️ Report is 13 commits behind head on 4.22.

Additional details and impacted files

@@            Coverage Diff            @@
##               4.22   #14017   +/-   ##
=========================================
  Coverage     17.79%   17.79%           
- Complexity    15995    15999    +4     
=========================================
  Files          5928     5928           
  Lines        534306   534310    +4     
  Branches      65383    65383           
=========================================
+ Hits          95069    95100   +31     
+ Misses       428467   428441   -26     
+ Partials      10770    10769    -1     

Flag	Coverage Δ
uitests	3.69% <ø> (ø)
unittests	18.88% <100.00%> (+<0.01%)	⬆️

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[weizhouapache]

code lgtm

[kiranchavala]

@blueorangutan package

[blueorangutan]

@kiranchavala 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]: ✔️ el8 ✔️ el9 ✔️ el10 ✔️ debian ✔️ suse15. SL-JID 19043

[kiranchavala]

LGTM , Tested manually

Session key is cleared and the saml user is able to login after performing a logout

[DaanHoogland]

@blueorangutan test

[blueorangutan]

@DaanHoogland a [SL] Trillian-Jenkins test job (ol8 mgmt + kvm-ol8) has been kicked to run smoke tests