FormatDialogColors
data class FormatDialogColors(val containerColor: Color, val titleContentColor: Color, val textContentColor: Color, val tonalElevation: Dp)
Colors for the format dialog and its portable content; mirrors the color parameters of Material3 AlertDialog. FormatDialog uses all four; FormatDialogContent applies only titleContentColor and textContentColor and leaves containerColor / tonalElevation to its host container.