Correction of symmetry plane implementation #7103

Job	Run time
Build SU2 (tsan) (BaseOMP-tsan)	13m 33s
Build SU2 (BaseMPI)	13m 33s
Build SU2 (tsan) (ReverseOMP-tsan)	29m 12s
Build SU2 (ReverseMPI)	14m 8s
Build SU2 (ForwardMPI)	11m 32s
Build SU2 (BaseNoMPI)	8m 8s
Build SU2 (ReverseNoMPI)	12m 7s
Build SU2 (ForwardNoMPI)	10m 17s
Build SU2 (BaseOMP)	8m 3s
Build SU2 (ReverseOMP)	14m 47s
Build SU2 (ForwardOMP)	10m 39s
Regression Tests (vandv.py)	2m 57s
Regression Tests (tutorials.py)	5m 7s
Unit Tests (test_driver)	1m 44s
Regression Tests (parallel_regression.py)	13m 9s
Unit Tests (test_driver_AD)	1m 39s
Regression Tests (parallel_regression_AD.py)	7m 26s
Regression Tests (serial_regression.py)	15m 37s
Regression Tests (serial_regression_AD.py)	5m 51s
Regression Tests (hybrid_regression.py)	14m 13s
Unit Tests (test_driver_DD)	1m 4s
Regression Tests (hybrid_regression_AD.py)	3m 17s
Thread Sanitizer Tests (hybrid_regression.py)	24m 22s
Thread Sanitizer Tests (hybrid_regression_AD.py)	10m 14s
	4h 12m 39s

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