Revert "Remove the file tree, as Sandbox does not permit"
This reverts commit 02ec735687.
This also changes how the File Tree choosing works.
Signed-off-by: Christopher Snowhill <kode54@gmail.com>
Handle the configuration better, by adding the path to the grants list
if it is newly configured.
Signed-off-by: Christopher Snowhill <kode54@gmail.com>