Fix entity repository

public/main/exercise/hotspot_answers.as.php

@@ -227,7 +227,7 @@ if (!$hideExpectedAnswer) {
 $data['answers'] = [];
 
 $rs = $em
-    ->getRepository('ChamiloCoreBundle:TrackEHotspot')
+    ->getRepository(TrackEHotspot::class)
     ->findBy(
         [
             'hotspotQuestionId' => $questionId,

public/main/gamification/my_progress.php

@@ -1,6 +1,7 @@
 <?php
 /* For licensing terms, see /license.txt */
 
+use Chamilo\CoreBundle\Entity\TrackECourseAccess;
 use Chamilo\CoreBundle\Repository\TrackECourseAccessRepository;
 
 /**
@@ -29,7 +30,7 @@ $user = api_get_user_entity($userId);
 
 if (empty($sessionId) && $user) {
     /** @var TrackECourseAccessRepository $trackCourseAccessRepository */
-    $trackCourseAccessRepository = $entityManager->getRepository('ChamiloCoreBundle:TrackECourseAccess');
+    $trackCourseAccessRepository = $entityManager->getRepository(TrackECourseAccess::class);
     $lastCourseAccess = $trackCourseAccessRepository->getLastAccessByUser($user);
     $lastSessionId = 0;
     if ($lastCourseAccess) {

public/main/inc/lib/banner.lib.php

@@ -348,8 +348,7 @@ function return_breadcrumb($interbreadcrumb, $language_file, $nameTools)
     if (!empty($courseInfo) && !isset($_GET['hide_course_breadcrumb'])) {
         $sessionName = '';
         if (!empty($sessionId)) {
-            /** @var \Chamilo\CoreBundle\Entity\Session $session */
-            $session = Database::getManager()->find('ChamiloCoreBundle:Session', $sessionId);
+            $session = api_get_session_entity($sessionId);
             $sessionName = $session ? ' ('.cut($session->getName(), MAX_LENGTH_BREADCRUMB).')' : '';
         }