Allow Nurses to clear their home facility

[Pranshu1902]

Proposed Changes

• Allow Nurses to clear the home facility for their own user only.

Associated Issue

Frontend PR: #7738

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 50.00000% with 1 line in your changes missing coverage. Please review.

Project coverage is 63.48%. Comparing base (51ce81e) to head (21a0eb7).
Report is 119 commits behind head on develop.

Files	Patch %	Lines
care/users/api/viewsets/users.py	50.00%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #2206      +/-   ##
===========================================
+ Coverage    62.20%   63.48%   +1.28%     
===========================================
  Files          221      238      +17     
  Lines        12204    13264    +1060     
  Branches      1742     1886     +144     
===========================================
+ Hits          7591     8421     +830     
- Misses        4305     4490     +185     
- Partials       308      353      +45     

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[nihal467]

LGTM

[rithviknishad]

Other than https://github.com/coronasafe/care/pull/2206/files#r1626295330 LGTM

[Pranshu1902]

@sainak @rithviknishad done, could you recheck the new conditions