move aiming processing to physics process to fix jitter

scripts/player/player.gd

@@ -27,7 +27,6 @@ func _ready() -> void:
 
 
 func _process(_delta: float) -> void:
-	call_deferred("_aiming")
 
 	var aim_pos := global_position + aiming.aim_offset
 	Debugger.marker("aim", aim_pos + Vector3.UP)
@@ -35,6 +34,7 @@ func _process(_delta: float) -> void:
 
 
 func _physics_process(delta: float) -> void:
+	_aiming()
 	var can_move := not attack.is_hitting()
 	velocity = movement.movement(velocity, delta, is_on_floor(), can_move)