Change displacement and velocity setters to use serac tensors #27

Job	Run time
set_image_vars	1s
check_code (coverage)	40m 18s
build_and_test (Debug, [email protected], seracllnl/tpls:clang-14_08-15-24_21h-49m, -DBUILD_SHAR...	32m 12s
check_code (docs)	2m 34s
build_and_test (Debug, [email protected]_cuda.cmake, seracllnl/tpls:cuda-12_08-15-24_21h-49m, -DBUILD_SH...	16m 54s
check_code (style)	2m 22s
build_and_test (Debug, [email protected], seracllnl/tpls:gcc-13_08-15-24_21h-49m, -DBUILD_SHARED_L...	32m 8s
check_code (header)	10m 7s
build_and_test (Release, [email protected], seracllnl/tpls:clang-14_08-15-24_21h-49m, -DBUILD_SH...	32m 7s
build_and_test (Release, [email protected]_cuda.cmake, seracllnl/tpls:cuda-12_08-15-24_21h-49m, -DBUILD_...	21m 14s
build_and_test (Release, [email protected], seracllnl/tpls:gcc-13_08-15-24_21h-49m, -DBUILD_SHARED...	32m 13s
build_and_test (Debug, [email protected], seracllnl/tpls:clang-14_08-15-24_21h-49m, -DSERAC_ENAB...	32m 13s
	4h 14m 23s

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