Select text input content on trapFocus (#2106)

* Select text input content on trapFocus

* PR fix

Author: FCalabria

assets/global.js

@@ -68,6 +68,12 @@ function trapFocus(container, elementToFocus = container) {
   document.addEventListener('focusin', trapFocusHandlers.focusin);
 
   elementToFocus.focus();
+
+  if (elementToFocus.tagName === 'INPUT' &&
+    ['search', 'text', 'email', 'url'].includes(elementToFocus.type) &&
+    elementToFocus.value) {
+    elementToFocus.setSelectionRange(0, elementToFocus.value.length);
+  }
 }
 
 // Here run the querySelector to figure out if the browser supports :focus-visible or not and run code based on it.