Potential fix for code scanning alert no. 661: Unused variable, import, function or class

Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com>

Author: jacbn

src/app/components/pages/BooksOverview.tsx

@@ -1,5 +1,5 @@
 import React from "react";
-import { Container, Row } from "reactstrap";
+import { Container } from "reactstrap";
 import { TitleAndBreadcrumb } from "../elements/TitleAndBreadcrumb";
 import { PageFragment } from "../elements/PageFragment";
 import { BooksOverviewSidebar, MainContent, SidebarLayout } from "../elements/layout/SidebarLayout";