Fix super tiny space formatting (hope we have auto formatter in the future) (#127479)

Just fix a space... I do hope we can have the auto formatter enabled in the future!

packages/flutter/lib/src/material/text_field.dart

@@ -805,7 +805,7 @@ class TextField extends StatefulWidget {
       decoration: TextDecoration.underline,
       decorationColor: Colors.red,
       decorationStyle: TextDecorationStyle.wavy,
-  );
+    );
 
   /// Default builder for [TextField]'s spell check suggestions toolbar.
   ///