v2.0: SIMD-0118: fix `total_rewards` for recalculation (backport of #2780) #9827

Job	Run time
cargo-test-sbf (token/program)	9m 13s
cargo-test-sbf (instruction-padding/program, token/program-2022, token/program-2022-test)	16m 12s
check	3m 15s
cargo-test-sbf (associated-token-account/program, associated-token-account/program-test)	10m 33s
cargo-test-sbf (token-upgrade/program)	9m 1s
cargo-test-sbf (feature-proposal/program)	9m 12s
test (token/cli, token/program, token/program-2022, associated-token-account/program, instruction...	18m 50s
cargo-test-sbf (governance/addin-mock/program, governance/program)	12m 38s
test (single-pool/cli, single-pool/program)	16m 9s
cargo-test-sbf (memo/program)	8m 36s
test (token-upgrade/cli, token-upgrade/program)	14m 49s
cargo-test-sbf (name-service/program)	8m 53s
cargo-test-sbf (stake-pool/program)	12m 52s
cargo-test-sbf (single-pool/program)	9m 58s
	2h 40m 11s

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