XF2.3 XF.setupHtmlInsert() does not handle strings arguments as XF2.3

[Xon]

This javacsript works in XF2.2 (it replaces children with the word "ignore") but fails in XF2.3, as XF.createElementFromString returns null instead of the expected text node.
JavaScript:

this.field = this.target || this.$target.get(0);
...
const html = "ignore";
XF.setupHtmlInsert(html, (html) =>
{
    if (html.jquery) {
        html = html.get(0);
    }
    this.field.replaceChildren(html);
});

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