store settings in function call, remove last uses of settings in callbacks

movement.h

@@ -356,6 +356,8 @@ void movement_set_backlight_color(movement_color_t color);
 uint8_t movement_get_backlight_dwell(void);
 void movement_set_backlight_dwell(uint8_t value);
 
+void movement_store_settings(void);
+
 /// TODO: For #SecondMovement: Should we have a counter that watch faces increment when they enable an alarm, and decrement when they disable it?
 /// Or should there be a watch face function where watch faces can tell us if they have an alarm enabled?
 /// Worth considering a better way to handle this.