fix(web): dynamically import wasm module (#16261)

* dynamically import wasm module

* remove unused import

web/src/lib/utils/timeline-util.ts

@@ -1,6 +1,6 @@
 import type { AssetBucket } from '$lib/stores/assets.store';
 import { locale } from '$lib/stores/preferences.store';
-import { JustifiedLayout } from '@immich/justified-layout-wasm';
+import type { JustifiedLayout } from '@immich/justified-layout-wasm';
 import type { AssetResponseDto } from '@immich/sdk';
 import { groupBy, memoize, sortBy } from 'lodash-es';
 import { DateTime } from 'luxon';
@@ -13,7 +13,7 @@ export type DateGroup = {
   height: number;
   heightActual: boolean;
   intersecting: boolean;
-  geometry: JustifiedLayout;
+  geometry: JustifiedLayout | null;
   bucket: AssetBucket;
 };
 export type ScrubberListener = (
@@ -80,13 +80,6 @@ export function formatGroupTitle(_date: DateTime): string {
   return date.toLocaleString(groupDateFormat);
 }
 
-const emptyGeometry = new JustifiedLayout(Float32Array.from([]), {
-  rowHeight: 1,
-  heightTolerance: 0,
-  rowWidth: 1,
-  spacing: 0,
-});
-
 const formatDateGroupTitle = memoize(formatGroupTitle);
 
 export function splitBucketIntoDateGroups(bucket: AssetBucket, locale: string | undefined): DateGroup[] {
@@ -104,7 +97,7 @@ export function splitBucketIntoDateGroups(bucket: AssetBucket, locale: string |
       height: 0,
       heightActual: false,
       intersecting: false,
-      geometry: emptyGeometry,
+      geometry: null,
       bucket,
     };
   });