armour stand head postition in spectator mode does not look in the angle of the head

/summon ArmorStand ~ ~ ~ {NoBasePlate:1b,NoGravity:1b,ShowArms:1b,Rotation:[22f],ArmorItems:[{id:"leater_boots",Count:1b},{},{},{}],HandItems:[{id:"bow",Count:1b},{id:"arrow",Count:1b}],Pose:{Head:[21f,0f,0f],LeftLeg:[12f,0f,0f],RightLeg:[351f,0f,0f],LeftArm:[304f,0f,0f],RightArm:[217f,0f,0f]}}
note: no gravity Armour stand.

How to recreate:
spawn the Armour stand.
to to spectator mode.
click the armor stand.