fix closing search dropdown (#1142)

* using a different library for javascript selects, fixing the closing search dropdown
* fix closing dropdown for daterangepicker
* added missing search button for mobile on customer page
* fix meta fields with same names than existing columns

tests/Event/ConfigureMainMenuEventTest.php

@@ -0,0 +1,36 @@
+<?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\Tests\Event;
+
+use App\Event\ConfigureMainMenuEvent;
+use KevinPapst\AdminLTEBundle\Event\SidebarMenuEvent;
+use KevinPapst\AdminLTEBundle\Model\MenuItemModel;
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\HttpFoundation\Request;
+
+/**
+ * @covers \App\Event\ConfigureMainMenuEvent
+ */
+class ConfigureMainMenuEventTest extends TestCase
+{
+    public function testGetterAndSetter()
+    {
+        $request = new Request();
+        $event = new SidebarMenuEvent();
+        $admin = new MenuItemModel('admin', 'admin', 'admin');
+        $system = new MenuItemModel('system', 'system', 'system');
+        $sut = new ConfigureMainMenuEvent($request, $event, $admin, $system);
+
+        self::assertSame($request, $sut->getRequest());
+        self::assertSame($event, $sut->getMenu());
+        self::assertSame($admin, $sut->getAdminMenu());
+        self::assertSame($system, $sut->getSystemMenu());
+    }
+}