User Theme, uses uui-tag for "Experimental" marker

src/Umbraco.Web.UI.Client/src/packages/user/current-user/theme/current-user-theme-user-profile-app.element.ts

@@ -48,7 +48,8 @@ export class UmbCurrentUserThemeUserProfileAppElement extends UmbLitElement {
 	render() {
 		if (!this._themes.length) return nothing;
 		return html`
-			<uui-box headline="Theme (Experimental)">
+			<uui-box headline="Theme">
+				<uui-tag slot="header-actions" look="placeholder">Experimental</uui-tag>
 				<uui-select label="Select theme" .options=${this._themes} @change=${this.#onThemeChange}></uui-select>
 			</uui-box>
 		`;