Fix output names of unsteady simulation #8180

Job	Run time
Build SU2 (BaseMPI)	12m 47s
Build SU2 (ReverseMPI)	13m 55s
Build SU2 (ForwardMPI)	11m 33s
Build SU2 (BaseNoMPI)	7m 51s
Build SU2 (ReverseNoMPI)	12m 22s
Build SU2 (ForwardNoMPI)	9m 27s
Build SU2 (BaseOMP)	8m 9s
Build SU2 (ReverseOMP)	15m 34s
Build SU2 (ForwardOMP)	10m 18s
Build SU2 (asan) (BaseNoMPI-asan)	16m 9s
Build SU2 (tsan) (BaseOMP-tsan)	11m 33s
Build SU2 (asan) (ReverseNoMPI-asan)	44m 58s
Build SU2 (tsan) (ReverseOMP-tsan)	27m 6s
Regression Tests (vandv.py)	2m 9s
Unit Tests (test_driver)	1m 26s
Regression Tests (tutorials.py)	4m 39s
Regression Tests (parallel_regression.py)	13m 20s
Regression Tests (parallel_regression_AD.py)	4m 8s
Regression Tests (serial_regression.py)	16m 24s
Unit Tests (test_driver_AD)	58s
Regression Tests (serial_regression_AD.py)	5m 9s
Unit Tests (test_driver_DD)	58s
Regression Tests (hybrid_regression.py)	10m 47s
Regression Tests (hybrid_regression_AD.py)	3m 14s
Thread Sanitizer Tests (hybrid_regression.py)	26m 5s
Thread Sanitizer Tests (hybrid_regression_AD.py)	11m 41s
Address Sanitizer Tests (serial_regression.py)	14m 0s
Address Sanitizer Tests (serial_regression_AD.py)	6m 35s
	5h 23m 15s

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