fix(dashboard): fix crash when opening dash while not logged in

dashboard/src/pages/BulkGroupPrivacy.svelte

@@ -1,11 +1,14 @@
 <script lang="ts">
     import { Container, Row, Col, Card, CardHeader, CardBody, CardTitle, Alert, Label, Input, Button, Spinner } from 'sveltestrap';
+    import { navigate } from 'svelte-navigator';
 	import FaUserLock from 'svelte-icons/fa/FaUserLock.svelte';
 
 	import api from '../api';
     import { GroupPrivacy, System } from '../api/types';
 	const user: System = JSON.parse(localStorage.getItem("pk-user"));
 
+	if (!user) navigate('/');
+
 	// const capitalize = (str: string) => str[0].toUpperCase() + str.substr(1);
 
 	let loading = false;
@@ -52,6 +55,7 @@
 	}
 </script>
 
+{#if user}
 <Container>
     <Row>
         <Col class="mx-auto" xs={12} lg={11} xl={10}>
@@ -102,3 +106,4 @@
 		</Col>
 	</Row>
 </Container>
+{/if}

dashboard/src/pages/BulkMemberPrivacy.svelte

@@ -1,12 +1,14 @@
 <script lang="ts">
     import { Container, Row, Col, Card, CardHeader, CardBody, CardTitle, Label, Input, Button, Spinner, Alert } from 'sveltestrap';
+    import { navigate } from 'svelte-navigator';
 	import FaUserLock from 'svelte-icons/fa/FaUserLock.svelte';
 
 	import api from '../api';
     import { MemberPrivacy, System } from '../api/types';
-import Member from './Member.svelte';
 	const user: System = JSON.parse(localStorage.getItem("pk-user"));
 
+	if (!user) navigate('/');
+
 	// const capitalize = (str: string) => str[0].toUpperCase() + str.substr(1);
 
 	let loading = false;
@@ -54,6 +56,7 @@ import Member from './Member.svelte';
 	}
 </script>
 
+{#if user}
 <Container>
     <Row>
         <Col class="mx-auto" xs={12} lg={11} xl={10}>
@@ -104,3 +107,4 @@ import Member from './Member.svelte';
 		</Col>
 	</Row>
 </Container>
+{/if}

dashboard/src/pages/Dash.svelte

@@ -75,6 +75,7 @@
 {#if user && user.banner && ((settings && settings.appearance.banner_top) || !settings)}
 <div class="banner" style="background-image: url({user.banner})" />
 {/if}
+{#if user}
 <Container>
     <Row>
         <Col class="mx-auto" xs={12} lg={11} xl={10}>
@@ -93,6 +94,7 @@
         </Col>
     </Row>
 </Container>
+{/if}
 
 <svelte:head>
     <title>PluralKit | dash</title>