fix comment

lib/foundation/navigation.dart

@@ -20,4 +20,6 @@ extension Navigation on BuildContext {
   Size get size => MediaQuery.of(this).size;
 
   EdgeInsets get padding => MediaQuery.of(this).padding;
+
+  EdgeInsets get viewInsets => MediaQuery.of(this).viewInsets;
 }

lib/pages/illust_page.dart

@@ -889,7 +889,7 @@ class _CommentsPageState extends MultiPageLoadingState<_CommentsPage, Comment> {
             });
           },
         ).paddingVertical(8).paddingHorizontal(12),
-      ).paddingBottom(context.padding.bottom),
+      ).paddingBottom(context.padding.bottom + context.viewInsets.bottom),
     );
   }