Using "Prompt and wait after installing packages", the wizard is nowhere to be found following a reboot triggered either by the captured installer or manually at the continue dialogue.
In other words, this does not work in 13.7 on an up-to-date Windows 10 x64. I also confirmed this with 13.5, which leads me to think it is an OS/compatibility issue.
UAC is off and the Repackager is run by the Administrator.