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 17.83%. Comparing base (e3c7b76) to head (1d7f622).
⚠️ Report is 1 commits behind head on 4.22.

Additional details and impacted files

@@             Coverage Diff              @@
##              4.22   #14017       +/-   ##
============================================
+ Coverage     3.82%   17.83%   +14.00%     
- Complexity       0    16023    +16023     
============================================
  Files          449     5928     +5479     
  Lines        38177   534404   +496227     
  Branches      7072    65399    +58327     
============================================
+ Hits          1459    95287    +93828     
- Misses       36517   428297   +391780     
- Partials       201    10820    +10619     

Flag	Coverage Δ
uitests	3.82% <ø> (ø)
unittests	18.90% <100.00%> (?)

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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

[blueorangutan]

[SF] Trillian test result (tid-16887)
Environment: kvm-ol8 (x2), zone: Advanced Networking with Mgmt server ol8
Total time taken: 51244 seconds
Marvin logs: [archive removed]
Smoke tests completed. 149 look OK, 0 have errors, 0 did not run
Only failed and skipped tests results shown below:

Test	Result	Time (s)	Test File