Adjust IAP UI

lib/ui/app/upgrade_dialog.dart

@@ -228,7 +228,11 @@ class _UpgradeDialogState extends State<UpgradeDialog> {
 
         return ListTile(
           title: Text(productDetails.description),
-          trailing: TextButton(
+          subtitle: Column(
+            crossAxisAlignment: CrossAxisAlignment.start,
+            children: [
+              SizedBox(height: 4),
+              TextButton(
                 style: TextButton.styleFrom(
                   backgroundColor: Colors.green[800],
                   // TODO(darrenaustin): Migrate to new API once it lands in stable: https://github.com/flutter/flutter/issues/105724
@@ -261,6 +265,9 @@ class _UpgradeDialogState extends State<UpgradeDialog> {
                     ? AppLocalization.of(context).activate
                     : productDetails.price),
               ),
+              SizedBox(height: 20),
+            ],
+          ),
         );
       },
     ));