[Artist Rail] Fix right margin cutoff of cards by adding spacer view
[Artist Rail] Fix right margin cutoff of cards by adding spacer view

artsy/eigen,artsy/eigen,artsy/eigen,artsy/emission,artsy/emission,artsy/emission,artsy/emission,artsy/eigen,artsy/eigen,artsy/eigen,artsy/eigen,artsy/emission,artsy/emission,artsy/emission