Sankey has problems with `domain.x`

[etpinard]

See https://codepen.io/etpinard/pen/MBPwYr?editors=1010 and similarly with domain.column https://codepen.io/etpinard/pen/mjzdjx?editors=1010 as mentioned in https://community.plot.ly/t/sankey-subplot-in-grid-layout/12378/3