[AI-FSSDK] [FSSDK-12813] Normalize decision event campaign_id, variation_id, and entity_id #1591

Job	Run time
browser_tests (firefox)	7m 35s
lint	1m 0s
browser_tests (chrome)	8m 35s
browser_tests (safari)	4m 16s
unit_tests (24)	1m 28s
unit_tests (20)	1m 34s
unit_tests (18)	1m 41s
typescript_test	1m 42s
browser_tests (edge)	6m 18s
unit_tests (22)	1m 32s
fullstack_production_suite / test	5s
integration_tests / test	6s
lint_markdown_files / lint	1m 23s
Coveralls coverage	5s
	37m 20s

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