feat(sequencer): integrate connect oracle and vote extension logic #6826

Job	Run time
run_checker / changes	4s
protos-compiled	32s
solidity-contracts-compiled	1m 11s
audit	16s
compiles	1m 52s
lockfile	20s
rust	2m 19s
rust-ethereum	1m 10s
clippy	1m 1s
custom-lints	3m 5s
doctest	1m 52s
test / success	1s
	13m 43s

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