Add onSecondaryTap to MeshCard and fix right-click on message text bubbles

lib/widgets/mesh_ui.dart

@@ -50,6 +50,7 @@ class MeshCard extends StatelessWidget {
   final Widget child;
   final VoidCallback? onTap;
   final VoidCallback? onLongPress;
+  final VoidCallback? onSecondaryTap;
   final EdgeInsetsGeometry padding;
   final EdgeInsetsGeometry margin;
   final Color? color;
@@ -61,6 +62,7 @@ class MeshCard extends StatelessWidget {
     required this.child,
     this.onTap,
     this.onLongPress,
+    this.onSecondaryTap,
     this.padding = const EdgeInsets.all(14),
     this.margin = const EdgeInsets.symmetric(horizontal: 16, vertical: 4),
     this.color,
@@ -89,6 +91,7 @@ class MeshCard extends StatelessWidget {
                   HapticFeedback.selectionClick();
                   onLongPress!();
                 },
+          onSecondaryTap: onSecondaryTap,
           child: Padding(padding: padding, child: child),
         ),
       ),