Revert "[fix] escape selected text to avoid XSS exploit"

Fixes #1382

This reverts commit 71d75f3.

src/dal_select2/static/autocomplete_light/select2.js

@@ -30,9 +30,7 @@ document.addEventListener('dal-init-function', function () {
                 return $result.text(item.text);
               }
             } else {
-                let text = item.text;
-                if (item.selected) text = escape(text);
-                return template(text, is_data_html);
+                return template(item.text, is_data_html);
             }
         }