Merge pull request #1908 from dpalou/MOBILE-2966

MOBILE-2966 quiz: Fix multichoice question broken due to clear option

src/addon/mod/quiz/pages/player/player.html

@@ -135,8 +135,8 @@
             </ion-item>
             <ion-item>
                 <a ion-button block icon-end [href]="moduleUrl" core-link>
-                    <ion-icon name="open"></ion-icon>
                     {{ 'core.openinbrowser' | translate }}
+                    <ion-icon name="open"></ion-icon>
                 </a>
             </ion-item>
         </ion-card>

src/core/question/classes/base-question-component.ts

@@ -461,6 +461,11 @@ export class CoreQuestionBaseComponent {
                     },
                     parent = element.parentElement;
 
+                if (option.value == '-1') {
+                    // It's the clear choice option, ignore it.
+                    continue;
+                }
+
                 this.question.optionsName = option.name;
 
                 this.question.disabled = this.question.disabled && element.disabled;