clippy: unnecessary_map_or #16095

Job	Run time
check	3m 0s
cargo-test-sbf (token/program)	7m 13s
test (token/cli, token/program, token/program-2022, associated-token-account/program, instruction...	24m 11s
cargo-test-sbf (instruction-padding/program, token/program-2022, token/program-2022-test)	12m 56s
test (single-pool/cli, single-pool/program)	17m 28s
cargo-test-sbf (associated-token-account/program, associated-token-account/program-test)	10m 10s
test (token-upgrade/cli, token-upgrade/program)	15m 46s
cargo-test-sbf (token-upgrade/program)	8m 8s
cargo-test-sbf (feature-proposal/program)	7m 4s
cargo-test-sbf (governance/addin-mock/program, governance/program)	10m 45s
cargo-test-sbf (name-service/program)	7m 0s
cargo-test-sbf (stake-pool/program)	10m 53s
cargo-test-sbf (single-pool/program)	8m 44s
	2h 23m 18s

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