src/vs/workbench/contrib/webview/electron-sandbox/iframeWebviewElement.ts/ElectronIframeWebview/mountTo
class ElectronIframeWebview:	public override mountTo(parent: HTMLElement) {
		if (!this.element) {
			return;
		}

		if (this._webviewFindWidget) {
			parent.appendChild(this._webviewFindWidget.getDomNode()!);
		}
		parent.appendChild(this.element);
	}