feat: add Absent Days column to salary register (backport #2485) (#2493)

(cherry picked from commit 11cb02c)

Co-authored-by: shinil <75559468+shinil-cloud@users.noreply.github.com>

hrms/payroll/report/salary_register/salary_register.py

@@ -48,6 +48,7 @@ def execute(filters=None):
 			"start_date": ss.start_date,
 			"end_date": ss.end_date,
 			"leave_without_pay": ss.leave_without_pay,
+			"absent_days": ss.absent_days,
 			"payment_days": ss.payment_days,
 			"currency": currency or company_currency,
 			"total_loan_repayment": ss.total_loan_repayment,
@@ -175,6 +176,12 @@ def get_columns(earning_types, ded_types):
 			"fieldtype": "Float",
 			"width": 50,
 		},
+		{
+			"label": _("Absent Days"),
+			"fieldname": "absent_days",
+			"fieldtype": "Float",
+			"width": 50,
+		},
 		{
 			"label": _("Payment Days"),
 			"fieldname": "payment_days",