refs #19695 [finc] w3c validation

* use data-href instead of href as button attribute
* move role="search" from nav to parent div
* use div instead of span for parent search control forms
* use div > form > nocscript
* use href within a-tag instead of button
* results encapsulate search/controls/view.phtml within div
* add id for reference on result list items, also refs #18019
* SideFacets - cluster-list use span instead of div
* try setting modal-title by javascript in LIGTHBOX ONLY
* urlencode square brackets in link-isn.phtml
* remove form-legend in profile forms for new-password and account