Remove delegate focus

Author: minottic

app/src/h5-element.tsx

@@ -15,7 +15,7 @@ export class H5WebViewer extends HTMLElement {
 
   connectedCallback() {
     if (!this.shadowRoot) {
-      this.shadow = this.attachShadow({ mode: 'open', delegatesFocus: true });
+      this.shadow = this.attachShadow({ mode: 'open' });
 
       const styleEl = document.createElement('style');
       styleEl.textContent = h5webCss;