6aaa74cda9
Add separate functions that deal with the vertex domain and copy vertex groups without using the attribute API which has a large overhead when abstracting the access of many vertex groups. In a 1m vertex mesh with 20 vertex groups, I observed an improvement in the node's runtime from 399 ms to 64 ms. Also resolves #117553. That was an error when adding weight data to a mesh without any weight data would invalidate custom data layers. That is solved more simply now by just doing nothing in that case.
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