Reduce NonLocalECPComponent.h exposure in header files. #6170

Job	Run time
spack-centos-stream (GCC11-NoMPI-Debug-Real)	27m 44s
linux (GCC9-NoMPI-Debug-Real)	23m 46s
macos (macOS-GCC11-NoMPI-Real)	1h 26m 0s
spack-centos-stream (GCC11-NoMPI-NoOMP-Real)	18m 22s
linux (GCC9-NoMPI-NoOMP-Real)	16m 1s
spack-centos-stream (GCC11-NoMPI-NoOMP-Complex)	18m 48s
linux (GCC9-NoMPI-NoOMP-Complex)	16m 13s
spack-centos-stream (GCC11-NoMPI-Sandbox-Real)	5m 21s
linux (GCC9-NoMPI-Sandbox-Real)	3m 26s
linux (GCC9-MPI-Gcov-Real)	30m 43s
linux (GCC9-MPI-Gcov-Complex)	31m 8s
linux (GCC12-NoMPI-Werror-Real)	20m 23s
linux (GCC12-NoMPI-Werror-Complex)	21m 16s
linux (GCC12-NoMPI-Werror-Real-Mixed)	19m 2s
linux (GCC12-NoMPI-Werror-Complex-Mixed)	19m 45s
linux (Clang14-NoMPI-ASan-Real)	27m 15s
linux (Clang14-NoMPI-ASan-Complex)	27m 15s
linux (Clang14-NoMPI-UBSan-Real)	29m 55s
linux (Clang16-NoMPI-Offload-Real)	20m 52s
linux (Clang16-NoMPI-Offload-Complex)	21m 49s
	8h 5m 4s

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