[FSSDK-12880] Refactor project config creation #1615

Job	Run time
commonjs_test	1m 36s
browser_tests (safari)	5m 41s
unit_tests (24)	1m 27s
typescript_test	1m 37s
unit_tests (20)	1m 28s
browser_tests (firefox)	8m 18s
lint	54s
browser_tests (chrome)	5m 46s
unit_tests (22)	1m 32s
lint_markdown_files / lint	1m 10s
integration_tests / test	5s
browser_tests (edge)	7m 32s
fullstack_production_suite / test	5s
unit_tests (18)	1m 39s
Coveralls coverage	5s
	38m 55s

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