Fix WP_MOK hardcoded to 8 bytes, use storage_size for portability #5392

Job	Run time
Detect File Changes	12s
Lint Gate	59s
Case Opt \| Georgia Tech \| Phoenix (gpu-acc)	3h 51m 54s
Case Opt \| Oak Ridge \| Frontier (AMD) (gpu-omp)	1h 44m 29s
Case Opt \| Oak Ridge \| Frontier (gpu-omp)	1h 42m 40s
Github (ubuntu, mpi, no-debug, true)	1h 34m 23s
Case Opt \| Georgia Tech \| Phoenix (gpu-omp)	4h 14m 19s
Case Opt \| Oak Ridge \| Frontier (gpu-acc)	1h 28m 55s
Georgia Tech \| Phoenix (gpu-acc)	4h 1m 42s
Github (ubuntu, no-mpi, single, no-debug, false)	28m 24s
Github (ubuntu, mpi, no-debug, false)	2h 16m 49s
Georgia Tech \| Phoenix (gpu-omp)	4h 8m 47s
Oak Ridge \| Frontier (AMD) (cpu)	46m 12s
Github (macos, mpi, debug, false)	1h 2m 22s
Github (ubuntu, mpi, debug, true)	1h 19m 39s
Oak Ridge \| Frontier (AMD) (gpu-omp [1/2])	54m 22s
Oak Ridge \| Frontier (gpu-omp [1/2])	59m 46s
Github (macos, mpi, no-debug, false)	1h 7m 50s
Oak Ridge \| Frontier (gpu-acc [1/2])	59m 46s
Georgia Tech \| Phoenix (cpu)	3h 51m 6s
Oak Ridge \| Frontier (cpu)	51m 48s
Github (ubuntu, mpi, debug, false)	3h 53m 46s
Oak Ridge \| Frontier (AMD) (gpu-omp [2/2])	58m 17s
Oak Ridge \| Frontier (gpu-acc [2/2])	51m 21s
Oak Ridge \| Frontier (gpu-omp [2/2])	1h 1m 14s
	1d 20h 11m 2s

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