Update QuillEditor constructor

lib/src/widgets/editor.dart

@@ -225,8 +225,8 @@ Widget _defaultEmbedBuilder(
 }
 
 class QuillEditor extends StatefulWidget {
-  const QuillEditor({
-    required this.controller,
+  const QuillEditor(
+      {required this.controller,
       required this.focusNode,
       required this.scrollController,
       required this.scrollable,
@@ -253,7 +253,7 @@ class QuillEditor extends StatefulWidget {
       this.onSingleLongTapEnd,
       this.embedBuilder = _defaultEmbedBuilder,
       this.styleBuilder,
-  });
+      Key? key});
 
   factory QuillEditor.basic({
     required QuillController controller,