Conditionally open mobile sign up when saving
Conditionally open mobile sign up when saving

Co-authored-by: Christina Thompson <379784e41c3d7dca2df845d9a244769a066882f6@artsymail.com>

xtina-starr/reaction,xtina-starr/reaction,artsy/reaction,artsy/reaction,artsy/reaction,artsy/reaction-force,artsy/reaction-force,xtina-starr/reaction,xtina-starr/reaction