fixed bug when no sub projects in Kosztorysy

SE/se-lib/Route/UrlAction/ProjektyKosztyWstepnychRobot.php

@@ -1588,6 +1588,7 @@ SQL_FUN;
 		$data = array();
 		$data['summary'] = array();// [ $idType ] = ['type', 'jednostka', 'ilosc']
 		$data['rawDataByType'] = array();
+		if (empty($idProject)) return $data;
 		$schema = ProjectKosztorysSchema::getSchema();// OK only 'config'
 		$conf = $schema['config'];
 		$pdo = DB::getPDO();