Refactored getCurrentPrisoners to use getActivePersonnel

[IllianiCBT]

Replaced getPersonnel with getActivePersonnel in getCurrentPrisoners method. This change ensures only active personnel are checked for prisoner status.

Closes #5182

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 10.50%. Comparing base (bce5f63) to head (cde4590).
Report is 22 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #5215      +/-   ##
============================================
- Coverage     10.52%   10.50%   -0.02%     
+ Complexity     6047     6036      -11     
============================================
  Files           957      957              
  Lines        134523   134523              
  Branches      19545    19545              
============================================
- Hits          14154    14134      -20     
- Misses       119018   119035      +17     
- Partials       1351     1354       +3     

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