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

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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