Enable Rails/EnumSyntax for EE models
What does this MR do and why?
A follow-up to Fix Rails/EnumSyntax cop offences (!189783 - merged). This MR:
- Enables the cop for EE models, because the default is
app/models/**/*.rb: https://docs.rubocop.org/rubocop-rails/cops_rails.html#railsenumsyntax - Fix the offenses for EE models