Also don't retract with spiralize in UM3

Similar to UMS5, we don't want to retract at layer change when spiralising.

resources/variants/ultimaker3_aa0.8.inst.cfg

@@ -40,7 +40,7 @@ material_standby_temperature = 100
 multiple_mesh_overlap = 0
 prime_tower_enable = False
 prime_tower_wipe_enabled = True
-retract_at_layer_change = True
+retract_at_layer_change = =not magic_spiralize
 retraction_amount = 6.5
 retraction_count_max = 25
 retraction_extrusion_window = 1