fix: HSN Code disappears in Edit Full Form

[Ninad1306]

Issue Reference: https://support.frappe.io/helpdesk/tickets/24124

_{Huly®: IC-2809}

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 61.43%. Comparing base (5098544) to head (8d4c14a).
Report is 2 commits behind head on develop.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #2685   +/-   ##
========================================
  Coverage    61.43%   61.43%           
========================================
  Files          119      119           
  Lines        11537    11537           
========================================
  Hits          7088     7088           
  Misses        4449     4449           

Files with missing lines	Coverage Δ
...ia_compliance/gst_india/constants/custom_fields.py	100.00% <ø> (ø)