Sort available languages in reverse order so region-specific language comes always prior to the general one (e.g. 'en-GB|en-US|en')

system/src/Grav/Common/Language/Language.php

@@ -81,7 +81,8 @@ class Language
      */
     public function getAvailable()
     {
-        return implode('|', $this->languages);
+        sort($this->languages);
+        return implode('|', array_reverse($this->languages));
     }
 
     /**