fix: preserve scroll position on memories page (#31588)

web/src/routes/(user)/memories/+page.svelte

@@ -1,4 +1,5 @@
 <script lang="ts">
+  import { scrollMemory } from '$lib/actions/scroll-memory';
   import UserPageLayout from '$lib/components/layouts/UserPageLayout.svelte';
   import { memoryManager } from '$lib/managers/memory-manager.svelte';
   import { userPreferencesManager } from '$lib/managers/user-preferences-manager.svelte';
@@ -60,6 +61,7 @@
 <UserPageLayout
   title={data.meta.title}
   description={memoryManager.total === undefined ? undefined : `(${memoryManager.total.toLocaleString($locale)})`}
+  use={[[scrollMemory, { routeStartsWith: Route.memories() }]]}
 >
   {#snippet buttons()}
     <div class="flex place-items-center gap-2">

web/src/routes/(user)/memories/[id]/[[photos=photos]]/[[assetId=id]]/MemoryViewer.svelte

@@ -1,5 +1,6 @@
 <script lang="ts">
   import { goto } from '$app/navigation';
+  import { scrollMemoryClearer } from '$lib/actions/scroll-memory';
   import { shortcuts } from '$lib/actions/shortcut';
   import ButtonContextMenu from '$lib/components/shared-components/context-menu/ButtonContextMenu.svelte';
   import MenuOption from '$lib/components/shared-components/context-menu/MenuOption.svelte';
@@ -300,6 +301,7 @@
   id="memory-viewer"
   data-sveltekit-noscroll
   class="dark w-full bg-immich-dark-gray text-white"
+  use:scrollMemoryClearer={{ routeStartsWith: Route.memories() }}
   bind:this={memoryWrapper}
   bind:clientHeight={viewport.height}
   bind:clientWidth={viewport.width}