sequence.copy_work_schedule #6901

Similar to e50215ddc but for IfcWorkSchedules

Button location - https://files.catbox.moe/jfd1ol.png

src/ifcopenshell-python/test/api/cost/test_copy_cost_schedule.py

@@ -23,6 +23,7 @@ import test.bootstrap
 
 class TestCopyCostSchedule(test.bootstrap.IFC4):
     def test_run(self):
+        # Shared code logic with test_copy_work_schedule.
         schedule = ifcopenshell.api.cost.add_cost_schedule(self.file, name="Foo")
         item = ifcopenshell.api.cost.add_cost_item(self.file, cost_schedule=schedule)
         ifcopenshell.api.cost.add_cost_item(self.file, cost_item=item)  # Subitem.