Fix : Applying changes on repeating events to 'all' or 'all future' e…

…vents stopped working [SDBELGA-775] (#1926)

client/components/ItemActionConfirmation/forms/updateRecurringEventsForm.tsx

@@ -179,7 +179,7 @@ export class UpdateRecurringEventsComponent extends React.Component<IProps, ISta
     submit() {
         const updates = {
             ...this.props.updates,
-            update_method: this.state.eventUpdateMethod.value,
+            update_method: this.state.eventUpdateMethod,
         };
 
         updates.associated_plannings.forEach((planningItem) => {