update template of consumerWidget

src/main/resources/liveTemplates/Flutter_riverpod_snippets.xml

@@ -131,7 +131,7 @@
       <option name="DART_TOPLEVEL" value="true" />
     </context>
   </template>
-  <template name="consumerWidget" value="class $class_name$ extends ConsumerWidget {&#10;&#10;  @override&#10;  Widget build(BuildContext context, WidgetRef ref) {&#10;    return $code$;&#10;  }&#10;}" description="New ConsumerWidget" toReformat="true" toShortenFQNames="true">
+  <template name="consumerWidget" value="class $class_name$ extends ConsumerWidget {&#10;  $class_name$({&#10;    Key? key,&#10;  }) : super(key: key);&#10;  &#10;  @override&#10;  Widget build(BuildContext context, WidgetRef ref) {&#10;    return $code$;&#10;  }&#10;}" description="New ConsumerWidget" toReformat="true" toShortenFQNames="true">
     <variable name="class_name" expression="" defaultValue="" alwaysStopAt="true" />
     <variable name="code" expression="" defaultValue="" alwaysStopAt="true" />
     <context>