bulk_update() on I18n_JSON fields fails with heterogenous values

[jacobtylerwalls]

See skipped unittest test_bulk_update_heterogenous_values() from #10620:

arches/tests/localization/field_tests.py

Lines 381 to 402 in 44127d5

	@unittest.skip("https://github.com/archesproject/arches/issues/10619")
	def test_bulk_update_heterogenous_values(self):
	new_configs = [
	I18n_JSON({
	"en": "some",
	"zh": "json",
	}),
	I18n_JSON({}),
	None,
	]
	for_bulk_update = []
	for i, dt in enumerate(DDataType.objects.all()[:3]):
	dt.defaultconfig = new_configs[i]
	for_bulk_update.append(dt)
	DDataType.objects.bulk_update(for_bulk_update, fields=["defaultconfig"])
	for i, obj in enumerate(for_bulk_update):
	new_config_as_string = str(new_configs[i])
	with self.subTest(new_config=new_config_as_string):
	obj.refresh_from_db()
	self.assertEqual(str(obj.defaultconfig), new_config_as_string)

Fails with:

======================================================================
FAIL: test_bulk_update_heterogenous_values (tests.localization.field_tests.I18nJSONFieldBulkUpdateTests.test_bulk_update_heterogenous_values) (new_config='{}')
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/Users/jwalls/prj/arches/tests/localization/field_tests.py", line 399, in test_bulk_update_heterogenous_values
    self.assertEqual(str(obj.defaultconfig), new_config_as_string)
AssertionError: '{"en": "some", "zh": "json"}' != '{}'
- {"en": "some", "zh": "json"}
+ {}


======================================================================
FAIL: test_bulk_update_heterogenous_values (tests.localization.field_tests.I18nJSONFieldBulkUpdateTests.test_bulk_update_heterogenous_values) (new_config='None')
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/Users/jwalls/prj/arches/tests/localization/field_tests.py", line 399, in test_bulk_update_heterogenous_values
    self.assertEqual(str(obj.defaultconfig), new_config_as_string)
AssertionError: '{"en": "some", "zh": "json"}' != 'None'
- {"en": "some", "zh": "json"}
+ None


----------------------------------------------------------------------
Ran 19 tests in 2.432s

FAILED (failures=2)

[jacobtylerwalls]

This might be something that goes away when the underlying issue in Django is solved?