center activities in toolbar properly

lib/pangea/widgets/practice_activity/multiple_choice_activity.dart

@@ -120,15 +120,8 @@ class MultipleChoiceActivityState extends State<MultipleChoiceActivity> {
   Widget build(BuildContext context) {
     final PracticeActivityModel practiceActivity = widget.currentActivity;
 
-    return Container(
-      padding: const EdgeInsets.all(20),
-      constraints: const BoxConstraints(
-        maxHeight: AppConfig.toolbarMaxHeight,
-        minWidth: AppConfig.toolbarMinWidth,
-        minHeight: AppConfig.toolbarMinHeight,
-      ),
-      child: SingleChildScrollView(
-        child: Column(
+    final content = Column(
+      mainAxisSize: MainAxisSize.min,
       children: [
         Text(
           practiceActivity.content.question,
@@ -175,8 +168,19 @@ class MultipleChoiceActivityState extends State<MultipleChoiceActivity> {
           id: currentRecordModel?.hashCode.toString(),
         ),
       ],
+    );
+
+    return Container(
+      padding: const EdgeInsets.all(20),
+      constraints: const BoxConstraints(
+        maxHeight: AppConfig.toolbarMaxHeight,
+        minWidth: AppConfig.toolbarMinWidth,
+        minHeight: AppConfig.toolbarMinHeight,
       ),
-      ),
+      child:
+          practiceActivity.activityType == ActivityTypeEnum.hiddenWordListening
+              ? SingleChildScrollView(child: content)
+              : content,
     );
   }
 }