Fix non-filter lists ending into selected lists at install time

Fortunately, getAvailableLists() filters out non-filter
list resources thus preventing those mistakenly selected
resources from being loaded as filter lists.

src/js/storage.js

@@ -635,6 +635,7 @@ import {
     for ( const key in lists ) {
         if ( lists.hasOwnProperty(key) === false ) { continue; }
         const list = lists[key];
+        if ( list.content !== 'filters' ) { continue; }
         if ( list.off !== true ) {
             selectedListKeys.push(key);
             continue;