Lib: Hide table header if no data is passed

src/lib/components/Table.svelte

@@ -15,6 +15,7 @@
   let { data, columns, handler = undefined }: TableProps = $props();
 </script>
 
+{#if data.length > 0}
   <div class="table-container bg-white shadow">
     <table class="table table-compact bg-white">
       <thead>
@@ -47,3 +48,4 @@
       </tbody>
     </table>
   </div>
+{/if}