Ej/fix persisted store (#746)

* fix: restore setting persisted storage async

* fix: make saved types in config consistent

* fix: revert async await again (??) problem appears to be the format that's being saved (JSON or string)

* fix: revert zustand serialisation stuf... persisted store working correctly now

* fix: remove typings for `getItem`, `setItem`, and `removeItem`

src/renderer/hooks/store.js

@@ -7,24 +7,15 @@ import store from '../../persist-store'
  * @type {import('zustand/middleware').StateStorage}
  */
 const storage = {
-  /**
-   * @param {string}  key - A string key to reference the stored item by.
-   * @returns {string | null}
-   */
   getItem: key => {
-    return /** @type {string | null} */ (store.get(key)) || null
+    /**
+     * @type {string | null}
+     */
+    return store.get(key, null)
   },
-  /**
-   * @param {string} key - A string key to reference the stored item by.
-   * @param {string} state - The state to be persisted - stringified JSON.
-   * @returns {void}
-   */
   setItem: (key, state) => {
-    store.set(key, JSON.parse(state))
+    store.set(key, state)
   },
-  /**
-   * @param {string}  key - A string key to reference the stored item to be removed.
-   */
   removeItem: key => {
     store.delete(key)
   }