Hide advanced rule modifier for 'date' and 'currentdate' rules

plugins/managesieve/lib/Roundcube/rcube_sieve_engine.php

@@ -1441,7 +1441,7 @@ class rcube_sieve_engine
             $select_type->add(rcube::Q($this->plugin->gettext('detail')), 'detail');
         }
 
-        $need_mod = $rule['test'] != 'size' && $rule['test'] != 'body';
+        $need_mod = !in_array($rule['test'], array('size', 'body', 'date', 'currentdate'));
         $mout = '<div id="rule_mod' .$id. '" class="adv"' . (!$need_mod ? ' style="display:none"' : '') . '>';
         $mout .= ' <span class="label">' . rcube::Q($this->plugin->gettext('modifier')) . ' </span>';
         $mout .= $select_mod->show($rule['test']);