usePrevious: update to use T

Author: clairep94

client/common/usePrevious.ts

@@ -5,8 +5,8 @@ import { useEffect, useRef } from 'react';
  * @param value - The current value to track.
  * @returns The previous value before the current render, or undefined if none.
  */
-export function usePrevious(value: unknown): unknown | undefined {
-  const ref = useRef<unknown>();
+export function usePrevious<T>(value: T): T | undefined {
+  const ref = useRef<T>();
 
   useEffect(() => {
     ref.current = value;