chore: show caret for empty folders

renderer/components/Sidebar/Collections/Collection/CollectionItem/index.js

@@ -86,7 +86,7 @@ const CollectionItem = ({item, collectionUid}) => {
             }}
           >
             <div style={{width:16}}>
-              {item.items && item.items.length ? (
+              {item.type === 'folder' ? (
                 <IconChevronRight size={16} strokeWidth={2} className={iconClassName} style={{color: 'rgb(160 160 160)'}}/>
               ) : null}
             </div>

renderer/providers/Store/reducer.js

@@ -122,6 +122,7 @@ const reducer = (state, action) => {
           collection.items.push({
             uid: nanoid(),
             name: action.folderName,
+            type: 'folder',
             items: [],
             // todo: this will be autoassigned
             depth: 1