Specifies the position and behavior of the BottomNavigation when the page is scrolled (see example).
The possible values are:
fixed(Default) — The BottomNavigation always stays at the bottom of the viewport, regardless of the page scroll position.
sticky— Positions the BottomNavigation based on the user's scroll position. A sticky element toggles between static and fixed CSS
positionproperty, depending on the scroll position. It is positioned static until a given offset position is met in the viewport - then it "sticks" in place like