CA-182819: Changed the layout of the CustomizeDialog
CA-182819: Changed the layout of the CustomizeDialog

to have more space for the SelectionTree control. This will be needed when changing the features to be hierarchically displayed.

Signed-off-by: Gabor Apati-Nagy <fea1aad7ceb67d3aeb88acb6b51e51467c21418e@citrix.com>

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