[FIX] coop_it_easy: Pick right email template for payment confirmation

easy_my_coop/models/account_invoice.py

@@ -105,13 +105,13 @@ class account_invoice(models.Model):
         sub_register_obj = self.env['subscription.register']
         share_line_obj = self.env['share.line']
 
+        certificate_email_template = self.get_mail_template_certificate()
+
         self.set_membership()
 
         sequence_operation = self.get_sequence_operation()
         sub_reg_operation = sequence_operation.next_by_id()
 
-        certificate_email_template = self.get_mail_template_certificate()
-
         for line in self.invoice_line_ids:
             sub_reg_vals = self.get_subscription_register_vals(line,
                                                                effective_date)