Fix for: Not printable text volume after update is set as printable

(#SPE-1384, https://dev.prusa3d.com/browse/SPE-1384)

src/slic3r/GUI/3DScene.cpp

@@ -448,6 +448,8 @@ int GLVolumeCollection::load_object_volume(
     this->volumes.emplace_back(new GLVolume());
     GLVolume& v = *this->volumes.back();
     v.set_color(color_from_model_volume(*model_volume));
+    // apply printable value from the instance
+    v.printable = instance->printable;
 #if ENABLE_SMOOTH_NORMALS
     v.model.init_from(*mesh, true);
     v.mesh_raycaster = std::make_unique<GUI::MeshRaycaster>(mesh);

src/slic3r/GUI/Jobs/EmbossJob.cpp

@@ -527,10 +527,6 @@ void UpdateJob::update_volume(ModelVolume             *volume,
         obj_list->update_name_in_list(object_idx, volume_idx);
     }
 
-    // update printable state on canvas
-    if (volume->type() == ModelVolumeType::MODEL_PART) 
-        canvas->update_instance_printable_state_for_object((size_t) object_idx);
-
     // Move object on bed
     if (GLGizmoEmboss::is_text_object(volume)) volume->get_object()->ensure_on_bed();