The switch from `stroke_start` to `vertex_start` in 8c6d4aa103 forgot
to also update `iter->stroke_index_last` which also needs to use
`vertex_start`.
Pull Request: https://projects.blender.org/blender/blender/pulls/105797
The switch from `stroke_start` to `vertex_start` in 8c6d4aa103 forgot
to also update `iter->stroke_index_last` which also needs to use
`vertex_start`.
Pull Request: https://projects.blender.org/blender/blender/pulls/105797