src/vs/workbench/contrib/webview/browser/baseWebviewElement.ts/BaseWebview/dispose
class BaseWebview:	override dispose(): void {
		if (this.element) {
			this.element.remove();
		}
		this._element = undefined;

		this._onDidDispose.fire();

		this._resourceLoadingCts.dispose(true);

		super.dispose();
	}