feat: generic DocField filter

[ssiyad]

closes #1372
closes #1327

[codecov]

Codecov Report

Patch coverage: 3.57% and project coverage change: +0.01% 🎉

Comparison is base (5db0e3c) 13.15% compared to head (144c4dd) 13.16%.
Report is 12 commits behind head on main.

❗ Current head 144c4dd differs from pull request most recent head 6453da4. Consider uploading reports for the commit 6453da4 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1409      +/-   ##
==========================================
+ Coverage   13.15%   13.16%   +0.01%     
==========================================
  Files          56       56              
  Lines        1961     1967       +6     
==========================================
+ Hits          258      259       +1     
- Misses       1703     1708       +5     

Files Changed	Coverage Δ
...hd_desk_account_request/hd_desk_account_request.py	0.00% <0.00%> (ø)
...lpdesk/helpdesk/doctype/hd_settings/hd_settings.py	0.00% <0.00%> (ø)
helpdesk/helpdesk/doctype/hd_ticket/api.py	0.00% <0.00%> (ø)
helpdesk/helpdesk/doctype/hd_ticket/hd_ticket.py	21.75% <0.00%> (ø)
...k/doctype/hd_ticket_template/hd_ticket_template.py	0.00% <0.00%> (ø)
helpdesk/utils.py	31.70% <16.66%> (-2.58%)	⬇️

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