chore(web): remove arbitrary search result limit (#20719)

The search results page can become unstable with large amounts of assets, and
has therefore been limited to displaying just 5000 assets. This limit is
arbitrary and may be too restrictive.

web/src/routes/(user)/search/[[photos=photos]]/[[assetId=id]]/+page.svelte

@@ -50,7 +50,6 @@
   import { tick } from 'svelte';
   import { t } from 'svelte-i18n';
 
-  const MAX_ASSET_COUNT = 5000;
   let { isViewing: showAssetViewer } = assetViewingStore;
   const viewport: Viewport = $state({ width: 0, height: 0 });
 
@@ -149,10 +148,7 @@
 
   // eslint-disable-next-line svelte/valid-prop-names-in-kit-pages
   export const loadNextPage = async (force?: boolean) => {
-    if (!nextPage || searchResultAssets.length >= MAX_ASSET_COUNT) {
-      return;
-    }
-    if (isLoading && !force) {
+    if (!nextPage || (isLoading && !force)) {
       return;
     }
     isLoading = true;