Preserve sidebar scroll position when navigating between documents

- Add x-navigate:scroll directive to sidebar container to maintain scroll position
- Add x-navigate:scroll to all document links in sidebar (tree-item.blade.php)
- Add x-navigate:scroll to 'New Document' button
- When clicking a link in sidebar, the sidebar scroll position is now preserved during page navigation
- Fixes issue where sidebar would scroll to top after loading a document

src/resources/views/layouts/knowledge-base.blade.php

@@ -200,6 +200,7 @@ class="absolute right-0 mt-2 w-48 bg-white rounded-md shadow-lg py-1 ring-1 ring
             <div class="flex h-[calc(100vh-4rem)]">
                 <!-- Sidebar - Desktop -->
                 <aside 
+                    x-navigate:scroll
                     class="hidden lg:block bg-white border-r border-gray-200 overflow-y-auto relative"
                     :style="'width: ' + sidebarWidth + 'px'"
                 >

src/resources/views/livewire/sidebar-tree.blade.php

@@ -18,6 +18,7 @@
     @auth
         <div class="mt-6 pt-6 border-t border-gray-200">
             <a
+                x-navigate:scroll
                 href="{{ route('documents.create') }}"
                 class="flex items-center justify-center px-4 py-2 text-sm font-medium text-white bg-indigo-600 rounded-md hover:bg-indigo-700"
             >

src/resources/views/partials/tree-item.blade.php

@@ -8,6 +8,7 @@
                     $displayTitle = basename($file['document']->title);
                 @endphp
                 <a
+                    x-navigate:scroll
                     href="{{ route('documents.show', $file['document']) }}"
                     class="flex items-center px-2 py-1.5 text-sm text-gray-700 rounded hover:bg-gray-100 group"
                 >