fix(core): update

ts_web/elements/dees-input-quantityselector.ts

@@ -22,6 +22,15 @@ export class DeesInputQuantitySelector extends DeesElement {
   })
   public value: number = 1;
 
+  @property({
+    type: Boolean,
+  })
+  public required: boolean = false;
+
+  constructor() {
+    super();
+  }
+
   public render(): TemplateResult {
     return html`
       ${domtools.elementBasic.styles}