Bank: Add function to replace empty account with upgradeable program on feature activation #2107

Job	Run time
cargo-test-sbf (token/program)	15m 26s
test	0s
cargo-test-sbf (instruction-padding/program, token/program-2022, token/program-2022-test)	31m 25s
cargo-test-sbf (associated-token-account/program, associated-token-account/program-test)	18m 39s
cargo-test-sbf (token-upgrade/program)	18m 43s
cargo-test-sbf (feature-proposal/program)	15m 18s
check	0s
cargo-test-sbf (governance/addin-mock/program, governance/program)	26m 57s
cargo-test-sbf (memo/program)	21m 53s
cargo-test-sbf (name-service/program)	21m 7s
cargo-test-sbf (stake-pool/program)	25m 28s
cargo-test-sbf (single-pool/program)	14m 39s
	3h 29m 35s

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