Hide the button 'invoice_open ('Validate') that appeard when the invooice_status is 'proforma_2' in order to have only one 'Validate'
Closes #1 (closed)
Hide the button 'invoice_open ('Validate') that appeard when the invooice_status is 'proforma_2' in order to have only one 'Validate'
Closes #1 (closed)