Update and add new reference files

Refs #21229

Testing/SystemTests/tests/analysis/reference/ISIS_Powder-PEARL00098472_splined_all.nxs.md5

+c7e822bf365439db10b2ccb984cc9562

Testing/SystemTests/tests/analysis/reference/ISIS_Powder-PEARL00098472_splined_groups.nxs.md5

+7b678347458e4b0d3eed4a3ed172ea8c

Testing/SystemTests/tests/analysis/reference/ISIS_Powder-PEARL00098472_splined_mods.nxs.md5

+8d260687d6530de850cd2563340987f5

Testing/SystemTests/tests/analysis/reference/ISIS_Powder-PEARL00098472_splined_trans.nxs.md5

+d3ea52feac44a8bc101f3988abb2fd3b

Testing/SystemTests/tests/analysis/reference/ISIS_Powder-PEARL00098507_tt70Atten.nxs.md5

-9489e6d9cfcee132c245c09580f1421a
+30ea3dc98e74a114146a27c86063e1d9

Testing/SystemTests/tests/analysis/reference/ISIS_Powder_PRL98472_tt70_all.nxs.md5

-a3837803ac8c23e67483db04b6eaaeb7
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+f8f9339ff9562c1d93a23d98afff8dc1

Testing/SystemTests/tests/analysis/reference/ISIS_Powder_PRL98472_tt70_groups.nxs.md5

-37e493227f18b8abf7893a756b506626
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+c8a6e97f47eec4cca7ec4148474238c1

Testing/SystemTests/tests/analysis/reference/ISIS_Powder_PRL98472_tt70_mods.nxs.md5

-9340bd56dc933b8a96739574bb86f59d
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+026a39809990e488b569e8ae8ebd38e9

Testing/SystemTests/tests/analysis/reference/ISIS_Powder_PRL98472_tt70_trans.nxs.md5

-495aa4948566ff591f5b055c4845484b
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+24ce3802bfcedcb8d888a846aa0ea09f