fix linux: desabilita impeller para evitar tela preta em gpu hibrida intel/nvidia

linux/my_application.cc

@@ -64,6 +64,8 @@ static void my_application_activate(GApplication* application) {
 
   g_autoptr(FlDartProject) project = fl_dart_project_new();
   fl_dart_project_set_dart_entrypoint_arguments(project, self->dart_entrypoint_arguments);
+  // Disable Impeller to avoid a black screen on hybrid Intel/NVIDIA GPUs.
+  fl_dart_project_set_enable_impeller(project, FALSE);
 
   FlView* view = fl_view_new(project);
   gtk_container_add(GTK_CONTAINER(window), GTK_WIDGET(view));