fix(web): keep map view open after closing asset viewer (#26980)

web/src/lib/components/album-page/album-map.svelte

@@ -2,6 +2,7 @@
   import { assetViewerManager } from '$lib/managers/asset-viewer-manager.svelte';
   import { authManager } from '$lib/managers/auth-manager.svelte';
   import MapModal from '$lib/modals/MapModal.svelte';
+  import { navigate } from '$lib/utils/navigation';
   import { getAlbumInfo, type AlbumResponseDto, type MapMarkerResponseDto } from '@immich/sdk';
   import { IconButton, modalManager } from '@immich/ui';
   import { mdiMapOutline } from '@mdi/js';
@@ -15,6 +16,7 @@
   let { album }: Props = $props();
   let abortController: AbortController;
 
+  let returnToMap = $state(false);
   let mapMarkers: MapMarkerResponseDto[] = $state([]);
 
   onMount(async () => {
@@ -26,6 +28,13 @@
     assetViewerManager.showAssetViewer(false);
   });
 
+  $effect(() => {
+    if (!assetViewerManager.isViewing && returnToMap) {
+      returnToMap = false;
+      void onClick();
+    }
+  });
+
   async function loadMapMarkers() {
     if (abortController) {
       abortController.abort();
@@ -54,7 +63,10 @@
   const onClick = async () => {
     const assetIds = await modalManager.show(MapModal, { mapMarkers });
     if (assetIds) {
-      await assetViewerManager.setAssetId(assetIds[0]);
+      await navigate({ targetRoute: 'current', assetId: assetIds[0] });
+      returnToMap = true;
+    } else {
+      returnToMap = false;
     }
   };
 </script>