Shimmerwing dont have footsteps in "walk" animation

for short, this skin is very nice, one of the best skins what arenanet create, but please, add his footsteps what he make when he "walk" slowly, the deer have this, and other deluxe skins too, but when i walk with the dragon i dont have that, just by running, please add this, maybe its a bug maybe not im not sure

ok i see nobody is interested to do that, fine thx