Add back server sidebar list

app/Http/ViewComposers/ServerListComposer.php

@@ -0,0 +1,51 @@
+<?php
+
+namespace Pterodactyl\Http\ViewComposers;
+
+use Illuminate\View\View;
+use Illuminate\Http\Request;
+use Pterodactyl\Models\User;
+use Pterodactyl\Contracts\Repository\ServerRepositoryInterface;
+
+class ServerListComposer
+{
+    /**
+     * @var \Illuminate\Http\Request
+     */
+    private $request;
+
+    /**
+     * @var \Pterodactyl\Contracts\Repository\ServerRepositoryInterface
+     */
+    private $repository;
+
+    /**
+     * ServerListComposer constructor.
+     *
+     * @param \Illuminate\Http\Request                                    $request
+     * @param \Pterodactyl\Contracts\Repository\ServerRepositoryInterface $repository
+     */
+    public function __construct(Request $request, ServerRepositoryInterface $repository)
+    {
+        $this->request = $request;
+        $this->repository = $repository;
+    }
+
+    /**
+     * Attach a list of servers the user can access to the view.
+     *
+     * @param \Illuminate\View\View $view
+     */
+    public function compose(View $view)
+    {
+        if (! $this->request->user()) {
+            return;
+        }
+
+        $servers = $this->repository
+            ->setColumns(['id', 'owner_id', 'uuidShort', 'name', 'description'])
+            ->filterUserAccessServers($this->request->user(), User::FILTER_LEVEL_SUBUSER, false);
+
+        $view->with('sidebarServerList', $servers);
+    }
+}