banking_stage: calculate stake by vote account instead of node pubkey #11001

Job	Run time
cargo-test-sbf (token/program)	7m 36s
cargo-test-sbf (instruction-padding/program, token/program-2022, token/program-2022-test)	14m 39s
check	4m 2s
cargo-test-sbf (associated-token-account/program, associated-token-account/program-test)	9m 53s
cargo-test-sbf (token-upgrade/program)	9m 27s
test (token/cli, token/program, token/program-2022, associated-token-account/program, instruction...	18m 27s
cargo-test-sbf (feature-proposal/program)	8m 19s
test (single-pool/cli, single-pool/program)	16m 43s
cargo-test-sbf (governance/addin-mock/program, governance/program)	13m 19s
test (token-upgrade/cli, token-upgrade/program)	15m 41s
cargo-test-sbf (memo/program)	8m 14s
cargo-test-sbf (name-service/program)	8m 54s
cargo-test-sbf (stake-pool/program)	10m 11s
cargo-test-sbf (single-pool/program)	7m 53s
	2h 33m 18s

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