In notebooks: openalea.phenomenal.display.notebook not working

[baugetfa]

In seceral notebooks function from openalea.phenomenal.display.notebook like show_voxel_grid or show_mesh are not displaying anything

[AurelienBesnier]

It also happens to me but only with firefox. It's fine with a chromium based browser

[AurelienBesnier]

Maybe we can just replace it with oawidgets/k3d