some work on the places where buffer is still needed #1479

Job	Run time
check if dotnet tests changed	9s
check src/bindings	6s
check build scripts and tools	9s
check src/dotnet	7s
check if js tests changed	5s
check if py tests changed	8s
check workflow_ci	8s
build python 3.10 linux ubuntu-latest bdist	1m 37s
build rhino3dm.js	19m 42s
build python 3.11 linux ubuntu-latest bdist	1m 6s
build python sdist	2m 24s
build dotnet	0s
build python 3.12 linux ubuntu-latest bdist	1m 34s
build python 3.10 windows windows-2019 bdist	7m 45s
build python 3.11 windows windows-2019 bdist	9m 15s
build python 3.12 windows windows-2019 bdist	9m 23s
build python 3.10 macos macos-12 bdist	1m 58s
build python 3.11 macos macos-12 bdist	2m 4s
build python 3.12 macos macos-12 bdist	2m 12s
build python 3.10 macos macos-14 bdist	1m 28s
build python 3.11 macos macos-14 bdist	1m 41s
build python 3.12 macos macos-14 bdist	2m 10s
test dotnet	0s
test py ${{ matrix.python-version }} ${{ matrix.target }} ${{ matrix.os }} bdist	0s
test javascript	19s
	1h 5m 30s

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