Whether the Appearance section has anything to show: a theme picker, at least one of the face's own appearance controls, or the Quiet Time icon toggle.
The per-section description, read for theme, appearanceItems, and quietTime.
True when appearanceSection would hold more than its heading.
Whether the Appearance section has anything to show: a theme picker, at least one of the face's own appearance controls, or the Quiet Time icon toggle.