web: make everything ssr-compatible

web/src/routes/settings/+layout.svelte

@@ -1,5 +1,6 @@
 <script lang="ts">
     import { page } from "$app/stores";
+    import { browser } from "$app/environment";
 
     import settings from "$lib/state/settings";
     import { version } from "$lib/version";
@@ -38,7 +39,7 @@
     $: isMobile = screenWidth <= 750;
     $: isHome = $page.url.pathname === "/settings";
     $: {
-        if (!isMobile && isHome) {
+        if (browser && !isMobile && isHome) {
             goto(defaultSettingsPage(), { replaceState: true });
         }
     }

web/src/routes/settings/debug/+page.svelte

@@ -1,16 +1,17 @@
 <script lang="ts">
+    import { onMount } from "svelte";
+    import { goto } from "$app/navigation";
+
     import { device, app } from "$lib/device";
     import { version } from "$lib/version";
     import settings, { storedSettings } from "$lib/state/settings";
-
-    import { goto } from "$app/navigation";
     import { defaultSettingsPage } from "$lib/settings/defaults";
 
-    $: {
+    onMount(() => {
         if (!$settings.advanced.debug) {
             goto(defaultSettingsPage(), { replaceState: true });
         }
-    }
+    });
 </script>
 
 {#if $settings.advanced.debug}

web/src/routes/updates/+page.svelte

@@ -1,10 +1,11 @@
 <script lang="ts">
-    import { t } from "$lib/i18n/translations";
     import { page } from "$app/stores";
+    import { browser } from "$app/environment";
 
+    import { t } from "$lib/i18n/translations";
     import { getAllChangelogs } from "$lib/changelogs";
-    import type { ChangelogImport } from "$lib/types/changelogs";
     import type { Optional } from "$lib/types/generic";
+    import type { ChangelogImport } from "$lib/types/changelogs";
 
     import ChangelogEntry from "$components/changelog/ChangelogEntry.svelte";
 
@@ -36,7 +37,10 @@
             page: changelogs[version]() as Promise<ChangelogImport>,
         };
 
-        window.location.hash = version;
+        if (browser) {
+            window.location.hash = version;
+        }
+
         await changelog.page;
     };