Further improve on handling disabled `localStorage` — radicle-explorer

Based on the work done in commit a73c5490b160435a0ef5408b54185c9f698cb73f there are a few places that make the app not load in case dom storage aka localStorage is disabled.

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 export const followSystemTheme = storedWritable<boolean | undefined>(
   "followSystemTheme",
   boolean(),
   !localStorage.getItem("theme"),
   !localStorage?.getItem("theme"),
   !window.localStorage,
 );
 export const theme = storedWritable<Theme>(

    */
   function clear() {
     w.set(initialValue);
     localStorage.removeItem(key);
     if (!disableLocalStorage) localStorage.removeItem(key);
   }
   return {