fix: Consider only Approved leave applications in LWP, Employee Benefit calculations

- do not allow submitting leave applications with 'Cancelled' status

erpnext/payroll/doctype/employee_benefit_application/employee_benefit_application.py

@@ -216,6 +216,7 @@ def calculate_lwp(employee, start_date, holidays, working_days):
 			where t2.name = t1.leave_type
 			and t2.is_lwp = 1
 			and t1.docstatus = 1
+			and t1.status = 'Approved'
 			and t1.employee = %(employee)s
 			and CASE WHEN t2.include_holiday != 1 THEN %(dt)s not in ('{0}') and %(dt)s between from_date and to_date
 			WHEN t2.include_holiday THEN %(dt)s between from_date and to_date

erpnext/payroll/doctype/salary_slip/salary_slip.py

@@ -477,6 +477,7 @@ class SalarySlip(TransactionBase):
 				WHERE t2.name = t1.leave_type
 				AND (t2.is_lwp = 1 or t2.is_ppl = 1)
 				AND t1.docstatus = 1
+				AND t1.status = 'Approved'
 				AND t1.employee = %(employee)s
 				AND ifnull(t1.salary_slip, '') = ''
 				AND CASE