fix(gratuity): consider default amount

Author: nareshkannasln

hrms/payroll/doctype/gratuity/gratuity.py

@@ -264,16 +264,11 @@ def get_total_component_amount(self) -> float:
 		if not salary_slip:
 			frappe.throw(_("No Salary Slip found for Employee: {0}").format(bold(self.employee)))
 
-		# consider full payment days for calculation as last month's salary slip
-		# might have less payment days as per attendance, making it non-deterministic
-		salary_slip.payment_days = salary_slip.total_working_days
-		salary_slip.calculate_net_pay()
-
 		total_amount = 0
 		component_found = False
 		for row in salary_slip.earnings:
 			if row.salary_component in applicable_earning_components:
-				total_amount += flt(row.amount)
+				total_amount += flt(row.default_amount)
 				component_found = True
 
 		if not component_found: