fix: register RowId meta type for use in fileInserted signal

src/main.cpp

@@ -366,6 +366,7 @@ int main(int argc, char* argv[])
     QObject::connect(a.get(), &QApplication::aboutToQuit, cleanup);
 
     qRegisterMetaType<ReceiptNum>();
+    qRegisterMetaType<RowId>();
     // Run
     int errorcode = a->exec();