universal: style improvements (#67)

lib/components/menu.dart

@@ -92,9 +92,13 @@ class _MenuRoute<T> extends PopupRoute<T> {
                 Icon(
                   entry.icon,
                   size: 18,
+                  color: entry.color
                 ),
               const SizedBox(width: 12),
-              Text(entry.text),
+              Text(
+                  entry.text,
+                  style: TextStyle(color: entry.color)
+              ),
             ],
           ),
         ),
@@ -119,7 +123,8 @@ class _MenuRoute<T> extends PopupRoute<T> {
 class MenuEntry {
   final String text;
   final IconData? icon;
+  final Color? color;
   final void Function() onClick;
 
-  MenuEntry({required this.text, this.icon, required this.onClick});
+  MenuEntry({required this.text, this.icon, this.color, required this.onClick});
 }

lib/components/message.dart

@@ -135,6 +135,7 @@ Future<void> showConfirmDialog({
   required String content,
   required void Function() onConfirm,
   String confirmText = "Confirm",
+  Color? btnColor,
 }) {
   return showDialog(
     context: context,
@@ -147,6 +148,9 @@ Future<void> showConfirmDialog({
             context.pop();
             onConfirm();
           },
+          style: FilledButton.styleFrom(
+            backgroundColor: btnColor,
+          ),
           child: Text(confirmText.tl),
         ),
       ],