Merge PR OCA#780 into 17.0

Signed-off-by pedrobaeza

Author: OCA-git-bot

account_reconcile_oca/static/src/js/reconcile/reconcile_controller.esm.js

@@ -115,7 +115,7 @@ export class ReconcileController extends KanbanController {
             resId = record.resId;
         }
         if (this.state.selectedRecordId && this.state.selectedRecordId !== resId) {
-            if (this.form_controller.model.root.isDirty) {
+            if (this.form_controller && this.form_controller.model.root.isDirty) {
                 await this.form_controller.model.root.save({
                     noReload: true,
                     stayInEdition: true,