refactor: replace bigSegmentStatus string with EvaluationReason::BigSegmentsStatus enum #1961

Job	Run time
build-test-server-windows	5m 3s
contract-tests-curl	4m 1s
contract-tests	4m 30s
build-test-server-curl	9m 7s
build-test-server-mac	7m 18s
build-test-server-mac-curl	7m 39s
build-test-server-windows-curl	4m 27s
build-test-server	8m 56s
	51m 1s

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