Fix click on server browser button

src/js/jflow-wfform.js

@@ -859,7 +859,7 @@ Handsontable.cellTypes["bootdate"] = Handsontable.BootstrapDateCell;
                         $("#"+tid).trigger("change");
                     }
 		    	});
-				setClickServerBrowser(params);
+				setClickServerBrowser(params_per_name);
 
 				$(".selectMultipleFiles").click(function() {
 					var p_cols = $(this).attr("paired_columns");