refactor: server-about-modal (#22138)

* refactor: server-about-modal

* fix: bits-ui scroll lock cleanup

web/src/lib/components/ServerAboutItem.svelte

@@ -0,0 +1,24 @@
+<script lang="ts">
+  import { Label, Link, Text } from '@immich/ui';
+
+  type Props = {
+    id: string;
+    title: string;
+    version?: string;
+    versionHref?: string;
+    class?: string;
+  };
+
+  const { id, title, version, versionHref, class: className }: Props = $props();
+</script>
+
+<div class={className}>
+  <Label size="small" color="primary" for={id}>{title}</Label>
+  <Text size="small" color="muted" {id}>
+    {#if versionHref}
+      <Link external href={versionHref}>{version}</Link>
+    {:else}
+      {version}
+    {/if}
+  </Text>
+</div>