ui: move note and profile rendering to notedeck_ui

We want to render notes in other apps like dave, so lets move
our note rendering to notedeck_ui. We rework NoteAction so it doesn't
have anything specific to notedeck_columns

Signed-off-by: William Casarin <jb55@jb55.com>

crates/notedeck_ui/Cargo.toml

@@ -14,3 +14,5 @@ profiling = { workspace = true }
 tokio = { workspace = true }
 notedeck = { workspace = true }
 image = { workspace = true }
+bitflags = { workspace = true }
+enostr = { workspace = true }