Fix decimal empty list bug (#1015) #450

Job	Run time
NIF 2.15 - aarch64-apple-darwin (macos-12 \| default)	43m 10s
NIF 2.15 - aarch64-unknown-linux-gnu (ubuntu-20.04 \| default)	23m 19s
NIF 2.15 - aarch64-unknown-linux-musl (ubuntu-20.04 \| default)	22m 38s
NIF 2.15 - x86_64-apple-darwin (macos-12 \| default)	42m 0s
NIF 2.15 - x86_64-pc-windows-gnu (windows-2022 \| default)	34m 6s
NIF 2.15 - x86_64-pc-windows-gnu (windows-2022 \| legacy_cpu)	33m 40s
NIF 2.15 - x86_64-pc-windows-msvc (windows-2019 \| default)	36m 16s
NIF 2.15 - x86_64-pc-windows-msvc (windows-2019 \| legacy_cpu)	36m 25s
NIF 2.15 - x86_64-unknown-freebsd (ubuntu-22.04 \| default)	22m 5s
NIF 2.15 - x86_64-unknown-freebsd (ubuntu-22.04 \| legacy_cpu)	23m 0s
NIF 2.15 - x86_64-unknown-linux-gnu (ubuntu-20.04 \| default)	22m 51s
NIF 2.15 - x86_64-unknown-linux-gnu (ubuntu-20.04 \| legacy_cpu)	21m 14s
NIF 2.15 - x86_64-unknown-linux-musl (ubuntu-20.04 \| default)	24m 33s
	6h 25m 17s

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