[ISSUE 8615] fix deleteUser when acl2.0 authentication enabled and authorization disabled

[1782935682]

Which Issue(s) This PR Fixes

Fixes #8615

Brief Description

How Did You Test This Change?

[codecov-commenter]

Codecov Report

❌ Patch coverage is 60.00000% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 47.98%. Comparing base (e4b731c) to head (b7c2171).
⚠️ Report is 7 commits behind head on develop.

Files with missing lines	Patch %	Lines
...ion/manager/AuthenticationMetadataManagerImpl.java	60.00%	0 Missing and 2 partials ⚠️

Additional details and impacted files

@@              Coverage Diff              @@
##             develop    #9550      +/-   ##
=============================================
- Coverage      48.10%   47.98%   -0.13%     
+ Complexity     12063    12032      -31     
=============================================
  Files           1313     1313              
  Lines          92771    92774       +3     
  Branches       11862    11864       +2     
=============================================
- Hits           44629    44515     -114     
- Misses         42636    42740     +104     
- Partials        5506     5519      +13     

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