[update] add round to closest multiple for refund bordereau

wizard/scop_cotisation_cg_regul.py

@@ -189,7 +189,8 @@ class ScopCotisationRegul(models.TransientModel):
             type_cotiz = contrib.get('type_contribution_id')[0]
             amount_cotiz_old = contrib.get('amount_total_signed')
             amount_cotiz = cotiz_type.get(type_cotiz)[0]
-            refund_amount_total = amount_cotiz_old - amount_cotiz
+            refund_amount_total = self.env['scop.cotisation'].\
+                round_to_closest_multiple(amount_cotiz_old - amount_cotiz, 4)
             product = cotiz_type.get(type_cotiz)[1]
             type_invoice = False