collapse: prevent url change if A nested tag is clicked (#32438)

Co-authored-by: XhmikosR <xhmikosr@gmail.com>

js/src/collapse.js

@@ -371,7 +371,7 @@ class Collapse extends BaseComponent {
 
 EventHandler.on(document, EVENT_CLICK_DATA_API, SELECTOR_DATA_TOGGLE, function (event) {
   // preventDefault only for <a> elements (which change the URL) not inside the collapsible element
-  if (event.target.tagName === 'A') {
+  if (event.target.tagName === 'A' || (event.delegateTarget && event.delegateTarget.tagName === 'A')) {
     event.preventDefault()
   }