fix: solve a bug caused by Parallax/Normal layout reconstruction

Author: dohooo

src/layouts/NormalLayout.tsx

@@ -53,7 +53,7 @@ export const NormalLayout: React.FC<
             value,
             [-1, 0, 1],
             [-size, 0, size],
-            Extrapolate.CLAMP
+            Extrapolate.EXTEND
         );
 
         return {

src/layouts/ParallaxLayout.tsx

@@ -62,7 +62,7 @@ export const ParallaxLayout: React.FC<
                 0,
                 size - parallaxScrollingOffset,
             ],
-            Extrapolate.CLAMP
+            Extrapolate.EXTEND
         );
 
         const zIndex = interpolate(