Flaky unit test in LaunchDarkly importer

I haven't invested any time in looking into this, but it looks like we have a flaky unit test in the LD importer functionality. See example below. This failed in CI but seems to pass every time locally.

https://github.com/Flagsmith/flagsmith/actions/runs/9351281565/job/25736647982

```
=================================== FAILURES ===================================
________________ test_process_import_request__segments_imported ________________
[gw2] linux -- Python 3.12.3 /home/runner/.cache/pypoetry/virtualenvs/flagsmith-api-h9Rv37Cj-py3.12/bin/python

project =
import_request =

def test_process_import_request__segments_imported(
project: Project,
import_request: LaunchDarklyImportRequest,
):
# When
process_import_request(import_request)

# Then
segments = Segment.objects.filter(project=project, feature_id=None)

assert set(segments.values_list("name", flat=True)) == {
# Segments
"User List (Override for test)",
"User List (Override for production)",
"Dynamic List (Override for test)",
"Dynamic List (Override for production)",
"Dynamic List 2 (Override for test)",
"Dynamic List 2 (Override for production)",
}

# Tests for "Dynamic List (Override for test)"
dynamic_list_test_segment = Segment.objects.get(
name="Dynamic List (Override for test)"
)
dynamic_list_test_segment_rule = SegmentRule.objects.get(
segment=dynamic_list_test_segment
)
# Parents are always "ALL" rules.
assert dynamic_list_test_segment_rule.type == SegmentRule.ALL_RULE

dynamic_list_test_segment_subrules = SegmentRule.objects.filter(
rule=dynamic_list_test_segment_rule
)
assert dynamic_list_test_segment_subrules.count() == 1
# UI needs to have subrules as `ANY_RULE` to display properly.
assert list(dynamic_list_test_segment_subrules)[0].type == SegmentRule.ANY_RULE

dynamic_list_test_segment_subrule_conditions = Condition.objects.filter(
rule=dynamic_list_test_segment_subrules[0]
)
assert set(
dynamic_list_test_segment_subrule_conditions.values_list(
"property", "operator", "value"
)
) == {
("email", segment_constants.REGEX, ".*@gmail\\.com"),
}

# Tests for "Dynamic List 2 (Override for production)"
dynamic_list_2_production_segment = Segment.objects.get(
name="Dynamic List 2 (Override for production)"
)
dynamic_list_2_production_segment_rule = SegmentRule.objects.get(
segment=dynamic_list_2_production_segment
)
# Parents are always "ALL" rules.
assert dynamic_list_2_production_segment_rule.type == SegmentRule.ALL_RULE

dynamic_list_2_production_segment_subrules = SegmentRule.objects.filter(
rule=dynamic_list_2_production_segment_rule
)
assert dynamic_list_2_production_segment_subrules.count() == 5
# UI needs to have subrules as `ANY_RULE` to display properly.
> assert (
list(dynamic_list_2_production_segment_subrules)[0].type == SegmentRule.ANY_RULE
)
E AssertionError: assert 'NONE' == 'ANY'
E - ANY
E + NONE

tests/unit/integrations/launch_darkly/test_services.py:308: AssertionError

---------- coverage: platform linux, python 3.12.3-final-0 -----------
Coverage XML written to file coverage.xml

=========================== short test summary info ============================
FAILED tests/unit/integrations/launch_darkly/test_services.py::test_process_import_request__segments_imported - AssertionError: assert 'NONE' == 'ANY'
- ANY
+ NONE
```