fix reconstruction (offset + footpath no longer allowed) (#154) #1184

Job	Run time
msvc (Debug)	5m 30s
macos (macos-x86_64, On)	9m 46s
msvc (Release)	4m 49s
linux (linux-amd64-release, linux-amd64)	33s
macos (macos-arm64)	7m 32s
formatting	42s
linux (linux-arm64-release, linux-arm64, qemu-aarch64-static)	36s
linux (clang-tidy)	1m 32s
linux (linux-sanitizer)	1m 22s
linux (linux-debug, valgrind --leak-check=full --error-exitcode=1)	2m 11s
	34m 33s

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