Add packet flag for from staked sender (#655) #727

Job	Run time
cargo-test-sbf (token/program)	14m 27s
cargo-test-sbf (instruction-padding/program, token/program-2022, token/program-2022-test)	24m 2s
check	9m 55s
cargo-test-sbf (associated-token-account/program, associated-token-account/program-test)	17m 30s
test (token/cli, token/program, token/program-2022, associated-token-account/program, instruction...	19m 10s
cargo-test-sbf (token-upgrade/program)	14m 22s
test (single-pool/cli, single-pool/program)	16m 49s
cargo-test-sbf (feature-proposal/program)	14m 26s
test (token-upgrade/cli, token-upgrade/program)	17m 34s
cargo-test-sbf (governance/addin-mock/program, governance/program)	23m 0s
cargo-test-sbf (memo/program)	14m 23s
cargo-test-sbf (name-service/program)	14m 19s
cargo-test-sbf (stake-pool/program)	21m 32s
cargo-test-sbf (single-pool/program)	17m 44s
	3h 59m 13s

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