added title attrbite to the collection sidebar items and increased the default width

ui/src/components/collections/CollectionsSidebar.svelte

@@ -65,6 +65,7 @@
             <a
                 href="/collections?collectionId={collection.id}"
                 class="sidebar-list-item"
+                title={collection.name}
                 class:active={$activeCollection?.id === collection.id}
                 use:link
             >