prepare release 1.13 (#2290)

* make voters a final class
* upgrade dependencies
* sort project alphabetically in dashboard widget
* open detail page on row click
* do not break on null tag name
* added max height to scrollable widgets on dashboard
* added timesheet duplicate event
* allow to deactivate browser title update
* improve comment box
* moved role permissions to own menu
* removed tabs in user screen
* fix user can remove super-admin from own account

src/Event/TimesheetDuplicatePreEvent.php

@@ -0,0 +1,31 @@
+<?php
+
+/*
+ * This file is part of the Kimai time-tracking app.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace App\Event;
+
+use App\Entity\Timesheet;
+
+final class TimesheetDuplicatePreEvent extends AbstractTimesheetEvent
+{
+    /**
+     * @var Timesheet
+     */
+    private $original;
+
+    public function __construct(Timesheet $new, Timesheet $original)
+    {
+        parent::__construct($new);
+        $this->original = $original;
+    }
+
+    public function getOriginalTimesheet(): Timesheet
+    {
+        return $this->original;
+    }
+}