Add re_arrow_combinators::reshape::RowMajorToColumnMajor
#12031
Merged
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Required for example to read matrices from variable sized, row-major protobuf lists, e.g. the 3x3 or 3x4 camera matrices that are found in
foxglove.CameraCalibrationschema.In order to do that, we need both a cast to fixed-size-list and a reshaping transformation.
This is a prerequisite for #12035.
Contributes to:
https://linear.app/rerun/issue/RR-3045
https://linear.app/rerun/issue/RR-2327