[AI-FSSDK] [FSSDK-12760] add localHoldouts to datafile for backward compatibility #1582

Job	Run time
typescript_test	1m 27s
browser_tests (firefox)	8m 29s
unit_tests (22)	1m 32s
browser_tests (edge)	7m 21s
lint	56s
lint_markdown_files / lint	1m 4s
unit_tests (24)	1m 21s
fullstack_production_suite / test	7s
unit_tests (20)	1m 32s
integration_tests / test	9s
browser_tests (safari)	2m 47s
browser_tests (chrome)	7m 16s
unit_tests (18)	1m 46s
Coveralls coverage	4s
	35m 51s

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