opnsense connections page ui improvements

src/lib/components/ui/table/table-header.svelte

@@ -0,0 +1,14 @@
+<script lang="ts">
+	import type { HTMLAttributes } from "svelte/elements";
+	import { cn } from "$lib/utils.js";
+
+	type $$Props = HTMLAttributes<HTMLTableSectionElement>;
+
+	let className: $$Props["class"] = undefined;
+	export { className as class };
+</script>
+
+<!-- svelte-ignore a11y-no-noninteractive-element-interactions -->
+<thead class={cn("[&_tr]:border-b", className)} {...$$restProps} on:click on:keydown>
+	<slot />
+</thead>