Include desktop diagnostic macros for invitation actions

tools/chatgui/src/mainwindow.cpp

@@ -5,6 +5,7 @@
 #include "accountlist.h"
 #include "invitedialog.h"
 #include "dminvitedialog.h"
+#include "debug_ui.h"
 #include "inviteby.h"
 #include "joindialog.h"
 #include "settingsdialog.h"