don't deep copy psets for optimization

Related to #5291

pset.edit_pset should cover it since it does support unsharing shared properties

src/ifcopenshell-python/ifcopenshell/api/profile/copy_profile.py

@@ -42,6 +42,6 @@ def copy_profile(file: ifcopenshell.file, profile: ifcopenshell.entity_instance)
     inverses = file.get_inverse(profile)
     psets = [i for i in inverses if i.is_a("IfcProfileProperties")]
     for pset in psets:
-        new_pset = ifcopenshell.util.element.copy_deep(file, pset, exclude=["IfcProfileDef"])
+        new_pset = ifcopenshell.util.element.copy(file, pset)
         new_pset.ProfileDefinition = new_profile
     return new_profile

src/ifcopenshell-python/ifcopenshell/api/pset/unshare_pset.py

@@ -87,7 +87,8 @@ def unshare_pset(
     for product in products:
         # No need to consider about profile/material properties since
         # they are assigned to 1 element directly and therefore cannot be shared.
-        pset_copy = ifcopenshell.util.element.copy_deep(file, pset)
+        # Don't copy_deep to keep it light - edit_pset supports unsharing shared props.
+        pset_copy = ifcopenshell.util.element.copy(file, pset)
         pset_copies.append(pset_copy)
         ifcopenshell.api.pset.assign_pset(file, [product], pset_copy)