Jeevan syriac

Results 3 issues of Jeevan syriac

### Information about bug ### Expected **Paid invoice** - outstanding amount goes negative - status changes to 'credit note issued' **Unpaid invoice** - outstanding amount becoms zero - status changes...

bug

issue: When we assign a leave policy without selecting based on then earned leave count shows as 0

needs-tests

issue: When we assign a leave policy without selecting based on then earned leave count shows as 0