Update MultitypeOverview to return early for infographies

The changes include adding a return statement for infographies in the onTap callback of the DidvanCard widget in the MultitypeOverview class. This will prevent the code from executing further when the item type is infography.

lib/views/widgets/overview/multitype.dart

@@ -84,6 +84,9 @@ class MultitypeOverview extends StatelessWidget {
   Widget build(BuildContext context) {
     return DidvanCard(
       onTap: () async {
+        if (item.type == 'infography') {
+          return;
+        }
         if (item.type == 'podcast') {
           final state = context.read<StudioDetailsState>();
           await state.getStudioDetails(