feat(noel): force noel theme as default (c'est la dictature ici d'accord?)

packages/app/src/lib/theme.ts

@@ -8,8 +8,13 @@ export const theme = writable('system', (set) => {
   // It's not possible to load the theme on the server
   if (!browser) return;
 
+  // Force Noël theme if not re-set to sth else by the user
+  if (localStorage.getItem('user_does_not_like_noel_theme') === null) {
+    set('noel');
+  } else {
     // Try to load the theme from sessionStorage or fallback to a media query
     set(localStorage.getItem('theme') ?? 'system');
+  }
 });
 
 export const isDark = writable(false);

packages/app/src/routes/users/[uid]/edit/+page.svelte

@@ -28,6 +28,7 @@
   import InputText from '$lib/components/InputText.svelte';
   import ButtonGhost from '$lib/components/ButtonGhost.svelte';
   import FormNotificationSettings from '$lib/components/FormNotificationSettings.svelte';
+  import { browser } from '$app/environment';
 
   let godparentRequestSendServerError = '';
   let godparentRequestSending = false;
@@ -248,6 +249,11 @@
             noel: 'Noël',
           }}
           bind:value={$theme}
+          on:input={() => {
+            if (browser) 
+              window.localStorage.setItem('user_does_not_like_noel_theme', '');
+            
+          }}
         />
       {/if}
       <h2>Parrainages</h2>