fix: adds caretLabel to menu items with children

Author: iOvergaard

src/packages/core/menu/components/menu-item-layout/menu-item-layout.element.ts

@@ -61,6 +61,7 @@ export class UmbMenuItemLayoutElement extends UmbLitElement {
 		return html`<uui-menu-item
 			href="${ifDefined(this.href)}"
 			label=${this.label}
+			.caretLabel=${this.localize.term('visuallyHiddenTexts_expandChildItems') + ' ' + this.label}
 			?active=${this._isActive}
 			?has-children=${this.hasChildren}>
 			<umb-icon slot="icon" name=${this.iconName}></umb-icon>