Merge branch '6.4' into 7.2

* 6.4:
  [Translation] Add intl-icu fallback for MessageCatalogue metadata
  [Validator] update Dutch translation
  [ErrorHandler] Do not transform file to link if it does not exist

Author: fabpot

Resources/translations/validators.nl.xlf

@@ -468,7 +468,7 @@
             </trans-unit>
             <trans-unit id="121">
                 <source>This value is not a valid Twig template.</source>
-                <target state="needs-review-translation">Deze waarde is geen geldige Twig-template.</target>
+                <target>Deze waarde is geen geldige Twig-template.</target>
             </trans-unit>
         </body>
     </file>