Fix update when updating quiz "hide_question_title"

- fix course restorer
- minor format code

main/exercise/exercise.class.php

@@ -101,7 +101,6 @@ class Exercise
         $this->text_when_finished = '';
         $this->display_category_name = 0;
         $this->pass_percentage = '';
-
         $this->modelType = 1;
         $this->questionSelectionType = EX_Q_SELECTION_ORDERED;
         $this->endButton = 0;
@@ -167,6 +166,7 @@ class Exercise
             $this->review_answers = (isset($object->review_answers) && $object->review_answers == 1) ? true : false;
             $this->globalCategoryId = isset($object->global_category_id) ? $object->global_category_id : null;
             $this->questionSelectionType = isset($object->question_selection_type) ? $object->question_selection_type : null;
+            $this->hideQuestionTitle = isset($object->hide_question_title) ? $object->hide_question_title : null;
 
             $sql = "SELECT lp_id, max_score
                     FROM $table_lp_item

src/Chamilo/CourseBundle/Component/CourseCopy/CourseRestorer.php

@@ -1681,10 +1681,10 @@ class CourseRestorer
 
 			foreach ($resources[RESOURCE_QUIZ] as $id => $quiz) {
                 if (isset($quiz->obj)) {
-                    //For new imports
+                    // For new imports
                     $quiz = $quiz->obj;
                 } else {
-                    //For backward compatibility
+                    // For backward compatibility
                     $quiz->obj = $quiz;
                 }
 
@@ -1746,6 +1746,7 @@ class CourseRestorer
                         'end_time' => $quiz->end_time,
                         'save_correct_answers' => 0,
                         'display_category_name' => 0,
+                        'hide_question_title' => isset($quiz->hide_question_title) ? $quiz->hide_question_title : 0,
                     );
 
                     if ($respect_base_content) {