message: Fix link on branded navbar
diff: <OsfLink
  data-test-brand-link
  data-analytics-name='Brand'
  - @route='home'
  + @route='{{if @provider 'registries.branded.discover' 'registries.discover'}}'
  + @models={{if @provider (array @provider.id)}}
  local-class='HomeLink'
  >
  {{this.provider.name}}
  