update unique_bed_name_per_location to ignore deleted beds

[sainak]

Proposed Changes

• update unique_bed_name_per_location to ignore deleted beds

Associated Issue

• fixes Update the unique bed name constraint to ignore deleted beds #2423
• fixes Modify the error handling of duplicate bed name care_fe#8483

Merge Checklist

• Tests added/fixed
• Update docs in /docs
• Linting Complete
• Any other necessary step

Only PR's with test cases included and passing lint and test pipelines will be reviewed

@ohcnetwork/care-backend-maintainers @ohcnetwork/care-backend-admins

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 64.89%. Comparing base (d36b5d9) to head (8d47a29).
Report is 1 commits behind head on develop.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #2432   +/-   ##
========================================
  Coverage    64.89%   64.89%           
========================================
  Files          242      242           
  Lines        13806    13806           
  Branches      1977     1977           
========================================
  Hits          8959     8959           
  Misses        4471     4471           
  Partials       376      376           

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