message: Fix wording of "unknown error" (win)
diff: Foreground="White"
  TextWrapping="Wrap"
  Padding="12 3 12 5"
  - Text="Server connection error. Feedback sending failed."
  + Text="Something went wrong. Please try again."
  Visibility="{Binding IsSendingError, Converter={StaticResource BooleanToVisibilityConverter}}" />
  <Border Margin="0 8"
  Background="{DynamicResource AttachedFileBackground}"
  