Do not escape HTML translations.

module/VuFind/src/VuFind/View/Helper/Root/JsTranslations.php

@@ -99,6 +99,10 @@ class JsTranslations extends AbstractHelper
             $translation = is_array($v)
                 ? call_user_func_array([$this->transEsc, '__invoke'], $v)
                 : $this->transEsc->__invoke($v);
+            // Special case: do not escape _html translations:
+            if (substr($k, -5) === '_html') {
+                $translation = html_entity_decode($translation);
+            }
             $parts[] = '"' . addslashes($k) . '": "'
                 . addslashes($translation) . '"';
         }