chore: Add support for FDv2 fallback and recovery. #238

Job	Run time
test-contract-tests	3m 28s
test-platforms-and-versions (ubuntu-latest, 19)	3m 41s
test-packaging	3m 29s
test-platforms-and-versions (ubuntu-latest, 11)	3m 46s
test-platforms-and-versions (ubuntu-latest, 17)	3m 40s
test-platforms-and-versions (ubuntu-latest, 8)	3m 35s
	21m 39s

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