Company size 0 is not a valid size
@kcomoli @s_awezec (cc @amandarueda ) I think we should prevent "company size" of 0 in the trial form because people are inclined to enter so, and CustomersDot rejects it.
We're logging the errors users are facing in CustomerDot interactions - https://sentry.gitlab.net/gitlab/gitlabcom/issues/2601019/?query=SubscriptionPortalRESTException