fix(minor): show party instead of party name where naming series not set

[GursheenK]

When Party Naming By is not set to Naming Series, show supplier / customer field values in Tax Withholding Details.

[codecov]

Codecov Report

Merging #38144 (b27af6b) into develop (7db1127) will increase coverage by 0.00%.
Report is 11 commits behind head on develop.
The diff coverage is 80.00%.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop   #38144   +/-   ##
========================================
  Coverage    67.26%   67.26%           
========================================
  Files          757      757           
  Lines        60487    60492    +5     
========================================
+ Hits         40684    40690    +6     
+ Misses       19803    19802    -1     

Files	Coverage Δ
...xt/accounts/doctype/payment_entry/payment_entry.py	83.66% <100.00%> (+0.05%)	⬆️
...tax_withholding_details/tax_withholding_details.py	80.00% <100.00%> (+0.12%)	⬆️
...t/manufacturing/doctype/bom_creator/bom_creator.py	80.18% <100.00%> (ø)
erpnext/selling/doctype/sales_order/sales_order.py	79.00% <50.00%> (ø)
erpnext/utilities/bulk_transaction.py	0.00% <0.00%> (ø)

... and 1 file with indirect coverage changes