Disable cross-program invocations for OperatingMode::Stable (#11272)

programs/bpf/benches/bpf_loader.rs

@@ -159,6 +159,9 @@ impl InvokeContext for MockInvokeContext {
     fn get_logger(&self) -> Rc<RefCell<dyn Logger>> {
         Rc::new(RefCell::new(self.mock_logger.clone()))
     }
+    fn is_cross_program_supported(&self) -> bool {
+        true
+    }
 }
 #[derive(Debug, Default, Clone)]
 pub struct MockLogger {