arena: support inner result permutation for ToT x scalar Scale contra… #1511

Job	Run time
ubuntu-24.04: /usr/bin/g++-14 Release PaRSEC	25m 1s
macos-latest: clang++ Release Pthreads	10m 23s
ubuntu-24.04: /usr/bin/g++-14 Release Pthreads	26m 54s
ubuntu-24.04: /usr/bin/g++-14 Debug Pthreads	20m 29s
macos-latest: clang++ Debug PaRSEC	16m 18s
macos-latest: clang++ Debug Pthreads	15m 11s
ubuntu-24.04: /usr/bin/g++-14 Debug PaRSEC	21m 34s
macos-latest: clang++ Release PaRSEC	15m 49s
	2h 31m 39s

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