small ui improvements

app/lib/features/geckoview/features/browser/presentation/widgets/sheets/view_tabs.dart

@@ -113,7 +113,7 @@ class _TabSheetHeader extends HookConsumerWidget {
                   // enableIMEPersonalizedLearning: !incognitoEnabled,
                   decoration: InputDecoration(
                     // border: InputBorder.none,
-                    prefixIcon: const Icon(MdiIcons.tabSearch),
+                    prefixIcon: const Icon(MdiIcons.tabSearch, size: 18),
                     hintText: 'Search inside tabs...',
                     floatingLabelBehavior: FloatingLabelBehavior.always,
                     suffixIcon: Row(

app/lib/presentation/widgets/selectable_chips.dart

@@ -9,7 +9,14 @@ class _BadgeWrapper extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    return count != null ? Badge.count(count: count!, child: child) : child;
+    return count != null
+        ? Badge.count(
+            count: count!,
+            backgroundColor: Theme.of(context).colorScheme.primaryContainer,
+            textColor: Theme.of(context).colorScheme.onPrimaryContainer,
+            child: child,
+          )
+        : child;
   }
 }