Please don't titleize results of I18n calls

Created by: mvz

• What were you trying to do?

Trying to get the email address column to be labeled "E-mailadres" (in Dutch)

• What did you end up with (logs, or, even better, example apps are great!)?

The title becomes "E Mailadres" because titleize destroys dashes and applies English capitalization rules.

• What versions are you running?
  • Rails: 6.1.4
  • administrate: 0.16.0