fix set upload permission

frontend/src/pages/manage_storage_page.tsx

@@ -91,7 +91,7 @@ export default function StorageView() {
         <tr>
           <td>{t("Name")}</td>
           <td>{t("Created At")}</td>
-          <td>{t("Size")}</td>
+          <td>{t("Space")}</td>
           <td>{t("Action")}</td>
         </tr>
         </thead>

frontend/src/pages/manage_user_page.tsx

@@ -250,7 +250,7 @@ function UserRow({ user, onChanged }: { user: User, onChanged: () => void }) {
               <a>{t("Delete")}</a>
             </PopupMenuItem>
             {user.is_admin ? <PopupMenuItem onClick={handleSetUser}><a>{t("Set as user")}</a></PopupMenuItem> : <PopupMenuItem onClick={handleSetAdmin}><a>{t("Set as admin")}</a></PopupMenuItem>}
-            {user.is_admin ? (
+            {app.user?.is_admin ? (
               user.can_upload ? <PopupMenuItem onClick={handleRemoveUploadPermission}><a>{t("Remove upload permission")}</a></PopupMenuItem> : <PopupMenuItem onClick={handleSetUploadPermission}><a>{t("Grant upload permission")}</a></PopupMenuItem>
             ) : null}
           </ul>, buttonRef.current!);

frontend/src/pages/user_page.tsx

@@ -87,9 +87,9 @@ function UserComments({ user }: { user: User }) {
 
   return <div className="px-2">
     <CommentsList username={user.username} page={page} maxPageCallback={setMaxPage} />
-    {maxPage && <div className={"w-full flex justify-center"}>
+    {maxPage ? <div className={"w-full flex justify-center"}>
       <Pagination page={page} setPage={setPage} totalPages={maxPage} />
-    </div>}
+    </div> : null}
   </div>
 }