Fixed a bug where control rates of polynomial controls were not correct in simulation. #1811

Job	Run time
test_ubuntu (baseline, 3.12, 1.26, 1.13, 3.21.0, v2.11.0, 7.7, latest, true, [all], 0.4.28, false)	52m 16s
test_ubuntu (no_pyoptsparse, 3.12, 1.26, 1.13, 3.21.0, latest, [test], false)	14m 28s
test_ubuntu (numpy2_no_pyoptsparse, 3.12, 2, 1.14, latest, [all], false)	15m 1s
test_ubuntu (no_snopt, 3.12, 1.26, 1.13, 3.21.0, v2.11.0, latest, [all], 0.4.28, false)	52m 13s
test_ubuntu (no_mpi, 3.12, 1.26, 1.13, v2.11.0, latest, [test], false)	41m 59s
test_ubuntu (latest, 3.12, 1, 1, 3.21.0, latest, 7.7, dev, [all], latest, false)	49m 44s
test_ubuntu (python313, 3.13, 2, 1, 3, 7.7, dev, [test], latest, false)	15m 1s
test_ubuntu (oldest, 3.9, 1.22, 1.7, 4.0, 3.0, 3.13, v2.9.0, 7.2, 3.28.0, 3.5, [test], false)	41m 2s
Finish coveralls	3s
	4h 41m 47s

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