Allowing ParagraphComponentBuilder to return any widget type from createComponent

Author: jmatth

super_editor/lib/src/default_editor/paragraph.dart

@@ -1,6 +1,6 @@
 import 'package:attributed_text/attributed_text.dart';
-import 'package:flutter/painting.dart';
 import 'package:flutter/services.dart';
+import 'package:flutter/widgets.dart';
 import 'package:super_editor/src/core/document.dart';
 import 'package:super_editor/src/core/document_composer.dart';
 import 'package:super_editor/src/core/document_selection.dart';
@@ -72,7 +72,7 @@ class ParagraphComponentBuilder implements ComponentBuilder {
   }
 
   @override
-  TextComponent? createComponent(
+  Widget? createComponent(
       SingleColumnDocumentComponentContext componentContext, SingleColumnLayoutComponentViewModel componentViewModel) {
     if (componentViewModel is! ParagraphComponentViewModel) {
       return null;