[Analytics] Fix small bug around tap / success event consistency when following artists
[Analytics] Fix small bug around tap / success event consistency when following artists

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