@Override
    public boolean isPassthrough(SearchExpressionContext searchExpressionContext, String keyword) {
        return false;
    }
See #11231

We need to overwrite/reimplement the FormSearchKeywordResolver from the Faces implementation,
as some PF components move their DOM elements and @form is a relative search expression and might not be resolveable at the client anymore.
primefaces/src/main/java/org/primefaces/expression/FormSearchKeywordResolver.java