message: fix(color-mode): cookie manager default argument
  avoids `undefined.match()` error given no cookies
diff: @@ -30,7 +30,7 @@ export const localStorageManager: StorageManager = {
  /**
  * Simple object to handle read-write to cookies
  */
  -export const cookieStorageManager = (cookies: string): StorageManager => ({
  +export const cookieStorageManager = (cookies = ""): StorageManager => ({
  get(init?) {
  const match = cookies.match(new RegExp(`(^| )${storageKey}=([^;]+)`))
  