changed force filter (ff_*) to read from request not only get

SE/se-lib/Route/ViewTableAjax.php

@@ -66,7 +66,7 @@ class Route_ViewTableAjax extends RouteBase {
 			$filterInit = new stdClass();
 			$filterInit->currSortCol = $acl->getPrimaryKeyField();
 			$filterInit->currSortFlip = 'desc';
-			foreach ($_GET as $k => $v) {
+			foreach ($_REQUEST as $k => $v) {
 				if (strlen($k) > 3 && substr($k, 0, 2) == 'f_' && !empty($v)) {// filter prefix
 					$filterInit->$k = $v;
 				}