Groups/Systems UI - expand parent group when child group is added

So user can immediately see the added item, it seems more intuitive.

src/bonsai/bonsai/bim/module/group/operator.py

@@ -87,9 +87,9 @@ class AddGroup(bpy.types.Operator, tool.Ifc.Operator):
     def _execute(self, context):
         result = ifcopenshell.api.group.add_group(tool.Ifc.get())
         if self.group:
-            ifcopenshell.api.group.assign_group(
-                tool.Ifc.get(), products=[result], group=tool.Ifc.get().by_id(self.group)
-            )
+            group = tool.Ifc.get().by_id(self.group)
+            ifcopenshell.api.group.assign_group(tool.Ifc.get(), products=[result], group=group)
+            tool.Group.toggle_group(group, "IfcGroup", "EXPAND")
         tool.Group.import_groups("IfcGroup")
         return {"FINISHED"}
 

src/bonsai/bonsai/bim/module/system/operator.py

@@ -67,7 +67,7 @@ class AddSystem(bpy.types.Operator, tool.Ifc.Operator):
         props = tool.System.get_system_props()
         ifc_file = tool.Ifc.get()
         parent_system = None if self.parent_system_id == 0 else ifc_file.by_id(self.parent_system_id)
-        core.add_system(tool.Ifc, tool.System, ifc_class=props.system_class, parent_system=parent_system)
+        core.add_system(tool.Ifc, tool.Group, tool.System, ifc_class=props.system_class, parent_system=parent_system)
 
 
 class EditSystem(bpy.types.Operator, tool.Ifc.Operator):

src/bonsai/bonsai/core/system.py

@@ -38,6 +38,7 @@ def disable_system_editing_ui(system: type[tool.System]) -> None:
 
 def add_system(
     ifc: type[tool.Ifc],
+    group: type[tool.Group],
     system: type[tool.System],
     ifc_class: str,
     parent_system: Union[ifcopenshell.entity_instance, None],
@@ -45,6 +46,8 @@ def add_system(
     new_system = ifc.run("system.add_system", ifc_class=ifc_class)
     if parent_system:
         ifc.run("group.assign_group", products=[new_system], group=parent_system)
+        group.toggle_group(parent_system, "IfcSystem", "EXPAND")
+
     system.import_systems()