Fix adding parametric geometry operators missing undo step

This also seems to by accident resolve #5565 🤨🤨🤨

src/bonsai/bonsai/bim/module/model/door.py

@@ -546,7 +546,7 @@ class AddDoor(bpy.types.Operator, tool.Ifc.Operator):
     bl_idname = "bim.add_door"
     bl_label = "Add Door"
     bl_description = "Add Bonsai parametric door to the active IFC element"
-    bl_options = {"REGISTER"}
+    bl_options = {"REGISTER", "UNDO"}
 
     def _execute(self, context):
         obj = context.active_object

src/bonsai/bonsai/bim/module/model/railing.py

@@ -327,7 +327,7 @@ class AddRailing(bpy.types.Operator, tool.Ifc.Operator):
     bl_idname = "bim.add_railing"
     bl_label = "Add Railing"
     bl_description = "Add Bonsai parametric railing to the active IFC element"
-    bl_options = {"REGISTER"}
+    bl_options = {"REGISTER", "UNDO"}
 
     def _execute(self, context):
         obj = context.active_object

src/bonsai/bonsai/bim/module/model/roof.py

@@ -551,7 +551,7 @@ class AddRoof(bpy.types.Operator, tool.Ifc.Operator):
     bl_idname = "bim.add_roof"
     bl_label = "Add Roof"
     bl_description = "Add Bonsai parametric roof to the active IFC element"
-    bl_options = {"REGISTER"}
+    bl_options = {"REGISTER", "UNDO"}
 
     def _execute(self, context):
         obj = context.active_object

src/bonsai/bonsai/bim/module/model/stair.py

@@ -178,7 +178,7 @@ class AddStair(bpy.types.Operator, tool.Ifc.Operator):
     bl_idname = "bim.add_stair"
     bl_label = "Add Stair"
     bl_description = "Add Bonsai parametric stair to the active IFC element"
-    bl_options = {"REGISTER"}
+    bl_options = {"REGISTER", "UNDO"}
 
     def _execute(self, context):
         obj = context.active_object

src/bonsai/bonsai/bim/module/model/window.py

@@ -433,7 +433,7 @@ class AddWindow(bpy.types.Operator, tool.Ifc.Operator):
     bl_idname = "bim.add_window"
     bl_label = "Add Window"
     bl_description = "Add Bonsai parametric window to the active IFC element"
-    bl_options = {"REGISTER"}
+    bl_options = {"REGISTER", "UNDO"}
 
     def _execute(self, context):
         obj = context.active_object