called 'stopImmediatePropagation' method to be sure event will not be triggered more times

src/lib/dialog/base-dialog.component.ts

@@ -70,6 +70,7 @@ export abstract class BaseDialogComponent extends AutoUnsubscribe implements OnI
 
     @HostListener('window:keydown.Enter', ['$event'])
     onEnter(event: KeyboardEvent): void {
+        event?.stopImmediatePropagation();
         const node = (event.target as IqserEventTarget).localName;
         if (this.valid && !this.disabled && this.changed && node !== 'textarea') {
             this.save();