DevtoolsToggleButton and ServiceExtensionButton have same text color

packages/devtools_app_shared/lib/src/ui/buttons.dart

@@ -237,10 +237,10 @@ final class DevToolsToggleButton extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
+    final theme = Theme.of(context);
     return DevToolsToggleButtonGroup(
-      borderColor: outlined || isSelected
-          ? Theme.of(context).focusColor
-          : Colors.transparent,
+      borderColor:
+          outlined || isSelected ? theme.focusColor : Colors.transparent,
       selectedStates: [isSelected],
       onPressed: (_) => onPressed(),
       fillColor: fillColor,
@@ -250,6 +250,7 @@ final class DevToolsToggleButton extends StatelessWidget {
           child: Container(
             padding: const EdgeInsets.symmetric(horizontal: denseSpacing),
             child: MaterialIconLabel(
+              color: isSelected ? theme.colorScheme.primary : null,
               iconData: icon,
               label: label,
               minScreenWidthForTextBeforeScaling: