[Fix] Allow to make disbursement entry even if payment account in not set in the employee loan (#12882)

diff --git a/erpnext/hr/doctype/employee_loan/employee_loan.py b/erpnext/hr/doctype/employee_loan/employee_loan.py
index dadd769..1751835 100644
--- a/erpnext/hr/doctype/employee_loan/employee_loan.py
+++ b/erpnext/hr/doctype/employee_loan/employee_loan.py
@@ -135,7 +135,7 @@
 		return employee_loan.as_dict()
 
 @frappe.whitelist()
-def make_jv_entry(employee_loan, company, employee_loan_account, employee, loan_amount, payment_account):
+def make_jv_entry(employee_loan, company, employee_loan_account, employee, loan_amount, payment_account=None):
 	journal_entry = frappe.new_doc('Journal Entry')
 	journal_entry.voucher_type = 'Bank Entry'
 	journal_entry.user_remark = _('Against Employee Loan: {0}').format(employee_loan)