fix(salary-slip): amount calculation (frappe#18158)

Author: Mangesh-Khairnar

erpnext/hr/doctype/salary_slip/salary_slip.py

@@ -618,7 +618,7 @@ def get_amount_based_on_payment_days(self, row, joining_date, relieving_date):
 		elif not self.payment_days and not self.salary_slip_based_on_timesheet and cint(row.depends_on_payment_days):
 			amount, additional_amount = 0, 0
 		elif not row.amount:
-			amount = cint(row.default_amount) + cint(row.additional_amount)
+			amount = flt(row.default_amount) + flt(row.additional_amount)
 
 		# apply rounding
 		if frappe.get_cached_value("Salary Component", row.salary_component, "round_to_the_nearest_integer"):