fix(doctest): fix retro-compatibility of PropertyField.scoping docstring example

[PProfizi]

For DPF < 261.
The release pipeline runs the docstring examples against the latest publicly released DPF which is 252.

Effect of the changes on the release pipeline: https://github.com/ansys/pydpf-core/actions/runs/16798597515

[codecov]

❌ 7 Tests Failed:

Tests completed	Failed	Passed	Skipped
43561	7	43554	4344

View the top 3 failed test(s) by shortest run time

tests/test_any.py::test_cast_data_sources_any[gRPC CLayer]

Stack Traces | 0.004s run time

server_type = <ansys.dpf.core.server_types.GrpcServer object at 0x7f345eb37250>

    @pytest.mark.skipif(
        not conftest.SERVERS_VERSION_GREATER_THAN_OR_EQUAL_TO_8_0,
        reason="Requires 24R2.",
    )
    def test_cast_data_sources_any(server_type):
        # Not available through grpc yet
        entity = dpf.DataSources(server=server_type, result_path="test.pth")
>       any_dpf = dpf.Any.new_from(entity)

tests/test_any.py:132: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
..../test-api/lib/python3.10.../dpf/core/any.py:246: in new_from
    any_dpf._internal_obj = type_tuple[0](obj)
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

any = <ansys.dpf.core.data_sources.DataSources object at 0x7f342c3c8670>

    @staticmethod
    def any_new_from_data_sources(any):
    	errorSize = ctypes.c_int(0)
    	sError = ctypes.c_wchar_p()
    	res = capi.dll.Any_newFrom_DataSources(any._internal_obj if any is not None else None, ctypes.byref(utils.to_int32(errorSize)), ctypes.byref(sError))
    	if errorSize.value != 0:
>   		raise errors.DPFServerException(sError.value)
E     ansys.dpf.gate.errors.DPFServerException: Invalid API pointer when calling function Any_newFrom_DataSources

..../test-api/lib/python3.10.../gate/generated/any_capi.py:392: DPFServerException

tests/test_any.py::test_cast_data_sources_any[gRPC CLayer]

Stack Traces | 0.005s run time

server_type = <ansys.dpf.core.server_types.GrpcServer object at 0x7ff4beee1550>

    @pytest.mark.skipif(
        not conftest.SERVERS_VERSION_GREATER_THAN_OR_EQUAL_TO_8_0,
        reason="Requires 24R2.",
    )
    def test_cast_data_sources_any(server_type):
        # Not available through grpc yet
        entity = dpf.DataSources(server=server_type, result_path="test.pth")
>       any_dpf = dpf.Any.new_from(entity)
                  ^^^^^^^^^^^^^^^^^^^^^^^^

tests/test_any.py:132: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
..../test-api/lib/python3.11.../dpf/core/any.py:246: in new_from
    any_dpf._internal_obj = type_tuple[0](obj)
                            ^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

any = <ansys.dpf.core.data_sources.DataSources object at 0x7ff48d984110>

    @staticmethod
    def any_new_from_data_sources(any):
    	errorSize = ctypes.c_int(0)
    	sError = ctypes.c_wchar_p()
    	res = capi.dll.Any_newFrom_DataSources(any._internal_obj if any is not None else None, ctypes.byref(utils.to_int32(errorSize)), ctypes.byref(sError))
    	if errorSize.value != 0:
>   		raise errors.DPFServerException(sError.value)
E     ansys.dpf.gate.errors.DPFServerException: Invalid API pointer when calling function Any_newFrom_DataSources

..../test-api/lib/python3.11.../gate/generated/any_capi.py:392: DPFServerException

tests\test_any.py::test_any::test_cast_data_sources_any[gRPC CLayer]

Stack Traces | 0.005s run time

server_type = <ansys.dpf.core.server_types.GrpcServer object at 0x0000025397FF8A90>

    @pytest.mark.skipif(
        not conftest.SERVERS_VERSION_GREATER_THAN_OR_EQUAL_TO_8_0,
        reason="Requires 24R2.",
    )
    def test_cast_data_sources_any(server_type):
        # Not available through grpc yet
        entity = dpf.DataSources(server=server_type, result_path="test.pth")
>       any_dpf = dpf.Any.new_from(entity)

tests\test_any.py:132: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
.tox\test-api\lib\site-packages\ansys\dpf\core\any.py:246: in new_from
    any_dpf._internal_obj = type_tuple[0](obj)
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

any = <ansys.dpf.core.data_sources.DataSources object at 0x000002539D95FD60>

    @staticmethod
    def any_new_from_data_sources(any):
    	errorSize = ctypes.c_int(0)
    	sError = ctypes.c_wchar_p()
    	res = capi.dll.Any_newFrom_DataSources(any._internal_obj if any is not None else None, ctypes.byref(utils.to_int32(errorSize)), ctypes.byref(sError))
    	if errorSize.value != 0:
>   		raise errors.DPFServerException(sError.value)
E     ansys.dpf.gate.errors.DPFServerException: Invalid API pointer when calling function Any_newFrom_DataSources

.tox\test-api\lib\site-packages\ansys\dpf\gate\generated\any_capi.py:392: DPFServerException

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