Added a default path, it's probalby not the most elegant solution, there's gotta be a way to grab that path from the child Setup msi, but I don't know how.
Passing that path from Budle to the Setup msi. If I recall, it's documented in WiX that InstallFolder is a pre-cooked variable for WiX Burn.
There are actually 2 changes in Bundle here:
InstallFolder
is a pre-cooked variable for WiX Burn.