fix: add toISOString helper for date formatting

src/lib/components/dualTimeView.svelte

@@ -1,7 +1,12 @@
 <script lang="ts">
     import { type ComponentProps } from 'svelte';
     import { capitalize } from '$lib/helpers/string';
-    import { timeFromNow, toLocaleDateTime, toLocalDateTimeISO } from '$lib/helpers/date';
+    import {
+        timeFromNow,
+        toLocaleDateTime,
+        toLocalDateTimeISO,
+        toISOString
+    } from '$lib/helpers/date';
     import { Badge, InteractiveText, Layout, Popover, Typography } from '@appwrite.io/pink-svelte';
 
     export let time: string = '';
@@ -99,7 +104,7 @@
                         isVisible
                         variant="copy"
                         text={toLocaleDateTime(time, 'UTC')}
-                        value={new Date(time).toISOString()} />
+                        value={toISOString(time)} />
 
                     <Badge variant="secondary" content="UTC" size="xs" />
                 </Layout.Stack>

src/lib/helpers/date.ts

@@ -223,3 +223,12 @@ export function getUTCOffset(): string {
 
     return `${hours >= 0 ? '+' : ''}${hours}${minutes ? `:${minutes.toString().padStart(2, '0')}` : ''}`;
 }
+
+export function toISOString(date: string): string {
+    const d = new Date(date);
+
+    if (isNaN(d.getTime())) {
+        return 'n/a';
+    }
+    return d.toISOString();
+}