fix(web): cull offscreen thumbnails on individual shared links (#31891)

fix(web): cull offscreen thumbnails on individual shared links (#31890)

(cherry picked from commit f7d1552c37dc8aea078bd997178a15d807a8c346)

Co-authored-by: bo0tzz <git@bo0tzz.me>

web/src/lib/components/share-page/IndividualSharedViewer.svelte

@@ -77,7 +77,11 @@
 </script>
 
 {#if sharedLink?.allowUpload || assets.length > 1}
-  <main class="isolate mx-4 mt-24 mb-40" bind:clientHeight={viewport.height} bind:clientWidth={viewport.width}>
+  <main
+    class="isolate mx-4 mt-24 mb-40 max-h-screen"
+    bind:clientHeight={viewport.height}
+    bind:clientWidth={viewport.width}
+  >
     <GalleryViewer {assets} assetInteraction={assetMultiSelectManager} {viewport} allowDeletion={false} />
   </main>