Add note wide mode for reposts

This adds a 'wide' note design for note previews. This is a mode
where the note contents does not have padding at the start. This makes
notes previews a bit nicer.

Screenshot: https://cdn.jb55.com/s/84271f386d564c34.png
Signed-off-by: William Casarin <jb55@jb55.com>

src/ui/note/contents.rs

@@ -92,6 +92,7 @@ fn render_note_preview(
             ui::NoteView::new(app, &note)
                 .actionbar(false)
                 .small_pfp(true)
+                .wide(true)
                 .note_previews(false)
                 .show(ui);
         })