chore: Add support for FDv2 fallback and recovery. #243

Job	Run time
test-contract-tests	4m 1s
test-platforms-and-versions (ubuntu-latest, 8)	3m 35s
test-platforms-and-versions (ubuntu-latest, 11)	3m 33s
test-platforms-and-versions (ubuntu-latest, 17)	3m 41s
test-packaging	4m 45s
test-platforms-and-versions (ubuntu-latest, 19)	3m 42s
	23m 17s

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