fixes issues with patient annotate + distinct not implemented for csv export

[rithviknishad]

Warning

Base branch is staging

Proposed Changes

• Skip ordering filter for patient list if CSV Export

Associated Issue

• Fixes NotImplementedError: annotate() + distinct(fields) is not implemented. #1997
• Fixes Issue with patient export for last consultation but re-registered without consultation filed #1998

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

@coronasafe/care-backend-maintainers @coronasafe/care-backend-admins

[codecov]

Codecov Report

Attention: Patch coverage is 33.33333% with 4 lines in your changes are missing coverage. Please review.

Project coverage is 62.37%. Comparing base (6d68486) to head (9d1be32).

Files	Patch %	Lines
care/facility/api/viewsets/patient.py	33.33%	3 Missing and 1 partial ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           staging    #1999      +/-   ##
===========================================
- Coverage    62.38%   62.37%   -0.02%     
===========================================
  Files          221      221              
  Lines        12219    12225       +6     
  Branches      1744     1746       +2     
===========================================
+ Hits          7623     7625       +2     
- Misses        4281     4284       +3     
- Partials       315      316       +1     

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