Scroll the focused preference into view

src/app/view/preferences.rs

@@ -563,6 +563,7 @@ impl App {
             column![
                 header,
                 scrollable(container(fields).padding(iced::Padding::ZERO.right(18)))
+                    .id(preferences_scroll_id())
                     .height(Length::Fill),
                 footer
             ]