fix(SW-216): Fixes after PR

hooks/useScrollShadows.ts

@@ -1,7 +1,7 @@
 import { useEffect, useRef, useState } from "react"
 
-const useScrollShadows = () => {
-  const containerRef = useRef<HTMLDivElement | null>(null)
+export default function useScrollShadows<T extends HTMLElement>() {
+  const containerRef = useRef<T>(null)
   const [showLeftShadow, setShowLeftShadow] = useState<boolean>(false)
   const [showRightShadow, setShowRightShadow] = useState<boolean>(false)
 
@@ -32,5 +32,3 @@ const useScrollShadows = () => {
 
   return { containerRef, showLeftShadow, showRightShadow }
 }
-
-export default useScrollShadows