use material-symbols-outlined instead of material-symbols-rounded

apps/app/src/components/Bookmarks/BookmarkFolderItem.tsx

@@ -233,7 +233,7 @@ export const BookmarkFolderItem: FC<BookmarkFolderItemProps> = (props: BookmarkF
                 onClick={loadChildFolder}
               >
                 <div className="d-flex justify-content-center">
-                  <span className="material-symbols-rounded">arrow_right</span>
+                  <span className="material-symbols-outlined">arrow_right</span>
                 </div>
               </button>
             )}

apps/app/src/components/TreeItem/SimpleItem.tsx

@@ -247,7 +247,7 @@ export const SimpleItem: FC<SimpleItemProps> = (props) => {
               onClick={onClickLoadChildren}
             >
               <div className="d-flex justify-content-center">
-                <span className="material-symbols-rounded">arrow_right</span>
+                <span className="material-symbols-outlined">arrow_right</span>
               </div>
             </button>
           )}