feat: loading screen, initSDK on bootstrap, fix FOUC for theme (#10350)

* feat: loading screen, initSDK on bootstrap, fix FOUC for theme

* pulsate immich logo, don't set localstorage

* Make it spin

* Rework error handling a bit

* Cleanup

* fix test

* rename, memoize

---------

Co-authored-by: Alex Tran <alex.tran1502@gmail.com>

web/src/routes/auth/login/+page.ts

@@ -1,12 +1,15 @@
 import { AppRoute } from '$lib/constants';
+import { serverConfig } from '$lib/stores/server-config.store';
 import { getFormatter } from '$lib/utils/i18n';
-import { defaults, getServerConfig } from '@immich/sdk';
+
 import { redirect } from '@sveltejs/kit';
+import { get } from 'svelte/store';
 import type { PageLoad } from './$types';
 
-export const load = (async ({ fetch }) => {
-  defaults.fetch = fetch;
-  const { isInitialized } = await getServerConfig();
+export const load = (async ({ parent }) => {
+  await parent();
+  const { isInitialized } = get(serverConfig);
+
   if (!isInitialized) {
     // Admin not registered
     redirect(302, AppRoute.AUTH_REGISTER);

web/src/routes/auth/onboarding/+page.ts

@@ -1,11 +1,9 @@
-import { loadConfig } from '$lib/stores/server-config.store';
 import { authenticate } from '$lib/utils/auth';
 import { getFormatter } from '$lib/utils/i18n';
 import type { PageLoad } from './$types';
 
 export const load = (async () => {
   await authenticate({ admin: true });
-  await loadConfig();
 
   const $t = await getFormatter();
 

web/src/routes/auth/register/+page.ts

@@ -1,11 +1,13 @@
 import { AppRoute } from '$lib/constants';
+import { serverConfig } from '$lib/stores/server-config.store';
 import { getFormatter } from '$lib/utils/i18n';
-import { getServerConfig } from '@immich/sdk';
 import { redirect } from '@sveltejs/kit';
+import { get } from 'svelte/store';
 import type { PageLoad } from './$types';
 
-export const load = (async () => {
-  const { isInitialized } = await getServerConfig();
+export const load = (async ({ parent }) => {
+  await parent();
+  const { isInitialized } = get(serverConfig);
   if (isInitialized) {
     // Admin has been registered, redirect to login
     redirect(302, AppRoute.AUTH_LOGIN);