Merge pull request #302 from ente-io/ui_fixes

Minor UI fixes

lib/ui/free_space_page.dart

@@ -35,7 +35,9 @@ class _FreeSpacePageState extends State<FreeSpacePage> {
     );
     Logger("FreeSpacePage")
         .info("Space consumed: " + widget.status.size.toString());
-    return _getWidget(widget.status);
+    return SingleChildScrollView(
+      child: _getWidget(widget.status),
+    );
   }
 
   Widget _getWidget(BackupStatus status) {

lib/ui/payment/child_subscription_widget.dart

@@ -127,7 +127,7 @@ class ChildSubscriptionWidget extends StatelessWidget {
       firstAction: 'No',
       secondAction: 'Yes',
       firstActionColor: Theme.of(context).buttonColor,
-      secondActionColor: Colors.white,
+      secondActionColor: Theme.of(context).colorScheme.onSurface,
     );
     if (choice != DialogUserChoice.secondChoice) {
       return;

lib/ui/settings/backup_section_widget.dart

@@ -198,9 +198,6 @@ class BackupSectionWidgetState extends State<BackupSectionWidget> {
         TextButton(
           child: Text(
             "Ok",
-            style: TextStyle(
-              color: Colors.white,
-            ),
           ),
           onPressed: () {
             if (Platform.isIOS) {