[current results ui] Remove unneeded width constraint and wrapping

Replace deprecated FlatButton with TextButton.
Adjust spacing in bottom ButtonBar.

Change-Id: Ic7696fa83d015ca1014cb6da7a35cb899f62cef4
Reviewed-on: https://dart-review.googlesource.com/c/dart_ci/+/191920
Reviewed-by: Alexander Thomas <athom@google.com>
diff --git a/current_results_ui/lib/main.dart b/current_results_ui/lib/main.dart
index 5551524..7fcc8d5 100644
--- a/current_results_ui/lib/main.dart
+++ b/current_results_ui/lib/main.dart
@@ -153,7 +153,7 @@
 
   @override
   Widget build(BuildContext context) {
-    return FlatButton(
+    return TextButton(
       child: Text('API portal'),
       onPressed: () => html.window.open(
           'https://endpointsportal.dart-ci-staging.cloud.goog'
@@ -171,7 +171,7 @@
   Widget build(BuildContext context) {
     return Consumer<QueryResults>(
       builder: (context, results, child) {
-        return FlatButton(
+        return TextButton(
           child: Text('json'),
           onPressed: () => html.window.open(
               Uri.https(apiHost, 'v1/results', {
@@ -192,7 +192,7 @@
   Widget build(BuildContext context) {
     return Consumer<QueryResults>(
       builder: (context, QueryResults results, child) {
-        return FlatButton(
+        return TextButton(
           child: Text('text'),
           onPressed: () => showDialog(
             context: context,
diff --git a/current_results_ui/lib/results.dart b/current_results_ui/lib/results.dart
index 5913c70..b7b7045 100644
--- a/current_results_ui/lib/results.dart
+++ b/current_results_ui/lib/results.dart
@@ -141,7 +141,6 @@
             Container(
               alignment: Alignment.topLeft,
               padding: EdgeInsets.only(left: 48.0),
-              constraints: BoxConstraints.loose(Size.fromWidth(500.0)),
               child: Column(
                 crossAxisAlignment: CrossAxisAlignment.start,
                 children: [
@@ -214,6 +213,7 @@
         Pill(Colors.black26, counts.count, 'total'),
         Pill(resultColors['fail'], counts.countFailing, 'failing'),
         Pill(resultColors['flaky'], counts.countFlaky, 'flaky'),
+        SizedBox.fromSize(size: Size.fromWidth(8.0)),
       ],
     );
   }