CLASSROOMIO-T-80: Fix submission error + netlify edge

src/lib/components/Course/components/Navigation/index.svelte

@@ -3,6 +3,7 @@
   import { goto } from '$app/navigation';
   import { page } from '$app/stores';
   import hotkeys from 'hotkeys-js';
+  import { browser } from '$app/environment';
   import HomeIcon from 'carbon-icons-svelte/lib/Home.svelte';
   import CheckmarkFilledIcon from 'carbon-icons-svelte/lib/CheckmarkFilled.svelte';
   import SettingsIcon from 'carbon-icons-svelte/lib/Settings.svelte';
@@ -27,7 +28,6 @@
   import { profile } from '$lib/utils/store/user';
   import { currentOrgPath } from '$lib/utils/store/org';
   import { isMobile } from '$lib/utils/store/useMobile';
-  import { browser } from '$app/environment';
 
   // export let lessonId;
   export let path;

src/routes/courses/[id]/submissions/+page.svelte

@@ -244,7 +244,8 @@
   });
 
   $: {
-    submissionId = $page.url.query.submissionId;
+    const query = new URLSearchParams($page.url.search)
+    submissionId = query.get('submissionId');
     openExercise = !!submissionId && submissionIdData[submissionId];
   }
 </script>