refactor: useShallowState 명시

Author: ldhldh07

packages/lib/src/hooks/useShallowState.ts

@@ -6,8 +6,8 @@ export const useShallowState = <T>(initialValue: T | (() => T)): [T, (newValue:
 
   const setShallowState = useCallback((newValue: T) => {
     setState((prevState) => {
-      if (!shallowEquals(prevState, newValue)) return newValue;
-      return prevState;
+      if (shallowEquals(prevState, newValue)) return prevState;
+      else return newValue;
     });
   }, []);