pub fn EditorSurface() -> impl IntoViewExpand description
The editor surface. Reads the loaded [EditProject] + the playhead
EditorStatus from context and renders the EditorShell with a
wired transport. Keyboard: Space = play/pause, ←/→ step (Shift = 5),
I/O set in/out, S split, ⌘Z undo·redo, Delete ripple-delete.