Fix bug where import mesh cleaning would inadvertently mark meshes as edited

src/blenderbim/blenderbim/bim/handler.py

@@ -11,7 +11,7 @@ from ifcopenshell.api.attribute.data import Data as AttributeData
 def mode_callback(obj, data):
     for obj in bpy.context.selected_objects:
         if (
-            obj.mode != "OBJECT"
+            obj.mode != "EDIT"
             or not obj.data
             or not isinstance(obj.data, bpy.types.Mesh)
             or not obj.data.BIMMeshProperties.ifc_definition_id

src/blenderbim/blenderbim/bim/import_ifc.py

@@ -1000,6 +1000,7 @@ class IfcImporter:
         bpy.ops.mesh.tris_convert_to_quads(context_override)
         bpy.ops.mesh.normals_make_consistent(context_override)
         bpy.ops.object.editmode_toggle(context_override)
+        IfcStore.edited_objs.clear()
 
     def add_opening_relation(self, element, obj):
         if not element.is_a("IfcOpeningElement"):