Describe the bug:
In the last version (3.0.0), HTML elements inside tag rendered with no style as configured.

HTML to reproduce the issue:
<a href="/api/flow.js?q=https%3A%2F%2Fgithub.com%2FSub6Resources%2Fflutter_html%2Fissues%2F%253Ca%2520href%3D"https://flutter.dev/%22%5C%3E%5C" rel="nofollow">https://flutter.dev/"\>\<em>Click here</em> to enter Flutter <i>website</i></a>

Html widget configuration:
Html(
data: widget.data,
onLinkTap: (url, attributes, element) {

},
style: {
'em': Style(
margin: Margins.all(0.0),
lineHeight: LineHeight.percent(50.0),
alignment: Alignment.topRight,
color: ColorManager.green,
),
'i': Style(
color: const Color(0xff888888),
),
'a': Style(
textDecoration: TextDecoration.none,
color: Colors.black,
),
},
extensions: [
const TableHtmlExtension(),
],
)

Expected behavior:
The and tags will rendered as configure in Style