At last we have found how to have these icons.
You have to compile thunderbird with the option --enable-image-decoders=icon,png,gif,jpeg,bmp AND install the package gnome-icon-theme
Hope it will help.
At last we have found how to have these icons.
You have to compile thunderbird with the option --enable- image-decoders= icon,png, gif,jpeg, bmp AND install the package gnome-icon-theme
Hope it will help.