Count multiple raft interface layers

We need the raft thickness to determine the maximum height of the model. If using multiple interface layers, this height should be reduced.

Contributes to issue CURA-8915.

cura/BuildVolume.py

@@ -601,6 +601,7 @@ class BuildVolume(SceneNode):
         if self._adhesion_type == "raft":
             self._raft_thickness = (
                 self._global_container_stack.getProperty("raft_base_thickness", "value") +
+                self._global_container_stack.getProperty("raft_interface_layers", "value") *
                 self._global_container_stack.getProperty("raft_interface_thickness", "value") +
                 self._global_container_stack.getProperty("raft_surface_layers", "value") *
                 self._global_container_stack.getProperty("raft_surface_thickness", "value") +
@@ -1214,7 +1215,7 @@ class BuildVolume(SceneNode):
 
     _machine_settings = ["machine_width", "machine_depth", "machine_height", "machine_shape", "machine_center_is_zero"]
     _skirt_settings = ["adhesion_type", "skirt_gap", "skirt_line_count", "skirt_brim_line_width", "brim_width", "brim_line_count", "raft_margin", "draft_shield_enabled", "draft_shield_dist", "initial_layer_line_width_factor"]
-    _raft_settings = ["adhesion_type", "raft_base_thickness", "raft_interface_thickness", "raft_surface_layers", "raft_surface_thickness", "raft_airgap", "layer_0_z_overlap"]
+    _raft_settings = ["adhesion_type", "raft_base_thickness", "raft_interface_layers", "raft_interface_thickness", "raft_surface_layers", "raft_surface_thickness", "raft_airgap", "layer_0_z_overlap"]
     _extra_z_settings = ["retraction_hop_enabled", "retraction_hop"]
     _prime_settings = ["extruder_prime_pos_x", "extruder_prime_pos_y", "prime_blob_enable"]
     _tower_settings = ["prime_tower_enable", "prime_tower_size", "prime_tower_position_x", "prime_tower_position_y", "prime_tower_brim_enable"]