[chore] refactor function for clarity

[kneckinator]

Why is this change needed?

• The previous implementation used a for-loop but only handled the first record.
• The previous implementation returned the same value in two places
• The flow of the function was complex to read

How was the change implemented?

• The function was refactored so that if the head check should be skipped, the unlink is directly performed through the super, and the result is returned immediately.
• The refactored function will process all records, if multiple records are provided

New unit tests

None

Unit tests executed by the author

All

How to test manually

Open a farmer record, delete the head member, try to save.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 75.75%. Comparing base (b5f51b9) to head (095d03e).

Additional details and impacted files

@@            Coverage Diff             @@
##             17.0     #805      +/-   ##
==========================================
+ Coverage   75.68%   75.75%   +0.06%     
==========================================
  Files         764      765       +1     
  Lines       20218    20244      +26     
  Branches     2501     2503       +2     
==========================================
+ Hits        15302    15335      +33     
+ Misses       4381     4374       -7     
  Partials      535      535              

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud