Nexus: Handle J3 terms in spin-orbit calculations #7061

Job	Run time
macos (macOS-GCC14-NoMPI-Real)	14m 1s
spack-centos-stream (GCC11-NoMPI-Debug-Real)	19m 42s
linux (GCC9-NoMPI-Debug-Real)	15m 58s
spack-centos-stream (GCC11-NoMPI-NoOMP-Real)	17m 35s
spack-centos-stream (GCC11-NoMPI-NoOMP-Complex)	17m 45s
linux (GCC9-NoMPI-NoOMP-Real)	15m 15s
linux (GCC9-NoMPI-NoOMP-Complex)	15m 4s
spack-centos-stream (GCC11-NoMPI-Sandbox-Real)	4m 10s
linux (GCC9-MPI-Sandbox-Real)	3m 37s
linux (GCC9-NoMPI-Sandbox-Complex)	3m 40s
linux (GCC9-MPI-Gcov-Real)	25m 27s
linux (GCC9-MPI-Gcov-Complex)	26m 54s
linux (GCC12-NoMPI-Werror-Real)	18m 41s
linux (GCC12-NoMPI-Werror-Complex)	19m 2s
linux (GCC12-NoMPI-Werror-Real-Mixed)	18m 3s
linux (GCC12-NoMPI-Werror-Complex-Mixed)	19m 13s
linux (Clang14-NoMPI-ASan-Real)	24m 35s
linux (Clang14-NoMPI-ASan-Complex)	24m 5s
linux (Clang14-NoMPI-UBSan-Real)	23m 23s
linux (Clang16-NoMPI-Offload-Real)	22m 48s
linux (Clang16-NoMPI-Offload-Complex)	22m 48s
	6h 11m 46s

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