* feat: update event types for default availability change * chore: add toast --------- Co-authored-by: sean-brydon <sean@cal.com> Co-authored-by: sean-brydon <55134778+sean-brydon@users.noreply.github.com> Co-authored-by: Udit Takkar <53316345+Udit-takkar@users.noreply.github.com>