fixed filter update in historical view

src/AlarmTreeWidget.cpp

@@ -51,6 +51,8 @@ void AlarmTreeWidget::refresh(const CuData &v) {
     QString src = QuString(v, "src");
     QString dev = src.section('/', 0, src.count('/') - 1);
     bool empty = QuString(v, "msg").contains(QRegularExpression("cannot\\s+extract"));
+    printf("\e[1;31mempty is %d msg is %s\e[0m\n", empty, vtoc2(v, "msg"));
+    printf("\e[1;33m%s\e[0m\n", datos(v));
     bool err = v["err"].toBool() && !empty;
     if(empty)
         printf("\e[1;34mAlarmTreeWidget::refresh: attribute %s is empty <<<<<<<<<<<<<<<< \e[0m\n", qstoc(src));