- cache [:overview_index, current_user.try(:locale)] do
  = boot_page_title t('bookyt.overview.title')

  = render_navigation(:context => 'main', :expand_all => true, :renderer => SimpleNavigation::Renderer::Overview)

- cache [:overview_index, I18n.locale] do
  = boot_page_title t('bookyt.overview.title')

  = render_navigation(:context => 'main', :expand_all => true, :renderer => SimpleNavigation::Renderer::Overview)

Fix caching key for overview index to use current locale, not users locale.
Fix caching key for overview index to use current locale, not users locale.
