Don't force int values for global questions see BT#8659, BT#8896

Fixes 28116a5201

main/exercice/exercise.lib.php

@@ -2532,9 +2532,9 @@ function display_question_list_by_attempt($objExercise, $exe_id, $save_user_resu
             }
 
             // In case of global score, make sure the calculated total score is integer
-            if (!is_int($result['score'])) {
+            /*if (!is_int($result['score'])) {
                 $result['score'] = round($result['score']);
-            }
+            }*/
 
             $total_score += $result['score'];
             $total_weight += $result['weight'];