feat: make system components require the system classes

src/lib/system/Privacy.svelte

@@ -1,8 +1,9 @@
 <script lang="ts">
     import { Card, CardHeader, CardBody, CardTitle, Row, Col, Button } from 'sveltestrap';
     import FaUserLock from 'svelte-icons/fa/FaUserLock.svelte'
+    import type Sys from '../../api/system';
 
-    export let user;
+    export let user: Sys;
     let editMode = false;
 </script>