createHtmlElement method
Creates and returns a WebHTMLElement to represent this object in the DOM.
Returns null if no element should be created.
Implementation
@override
WebHTMLElement? createHtmlElement() {
// Only create HTML element if running on the web
if (!kIsWeb) return null;
// Create a native HTML <button> element
final button = webWindow.document.createElement('button') as WebHTMLElement;
button.textContent = label;
// Set the HTML id attribute (for SEO and DOM access)
button.id = id ?? _generateRandomId();
// Optional: Add ARIA role for better accessibility
button.setAttribute('role', 'button');
return button;
}