[Python] Add support for negative indexing in ObjectTable #1471

Job	Run time
check build scripts and tools	6s
check src/dotnet	8s
check if dotnet tests changed	5s
check src/bindings	7s
check if js tests changed	5s
check if py tests changed	9s
check workflow_ci	9s
build rhino3dm.js	20m 20s
build dotnet	0s
build python sdist	7m 18s
build python 3.10 linux ubuntu-latest bdist	5m 53s
build python 3.11 linux ubuntu-latest bdist	6m 0s
build python 3.12 linux ubuntu-latest bdist	5m 47s
build python 3.10 windows windows-2019 bdist	9m 23s
build python 3.11 windows windows-2019 bdist	8m 54s
build python 3.12 windows windows-2019 bdist	8m 49s
build python 3.10 macos macos-12 bdist	9m 7s
build python 3.11 macos macos-12 bdist	10m 58s
build python 3.12 macos macos-12 bdist	9m 51s
build python 3.10 macos macos-14 bdist	7m 48s
build python 3.11 macos macos-14 bdist	8m 9s
build python 3.12 macos macos-14 bdist	6m 44s
test dotnet	0s
test py 3.10 linux ubuntu-latest bdist	6s
test py 3.11 linux ubuntu-latest bdist	13s
test py 3.12 linux ubuntu-latest bdist	11s
test py 3.10 windows windows-2019 bdist	32s
test py 3.11 windows windows-2019 bdist	41s
test py 3.12 windows windows-2019 bdist	42s
test py 3.10 macos macos-12 bdist	16s
test py 3.11 macos macos-12 bdist	15s
test py 3.12 macos macos-12 bdist	14s
test py 3.10 macos macos-14 bdist	16s
test py 3.11 macos macos-14 bdist	9s
test py 3.12 macos macos-14 bdist	11s
test javascript	25s
	2h 10m 1s

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