frameAnchor: bottom is not properly aligned

[Fil]

Plot.plot({
  marginLeft: 75,
  x: { insetRight: 10 },
  marks: [
    Plot.frame(),
    Plot.barX(
      penguins,
      Plot.groupY(
        { x: "count" },
        {
          y: "species",
          fill: "sex"
        }
      )
    ),
    Plot.text(["Annotation\nat the bottom-right"], {
      frameAnchor: "bottom-right"
    })
  ]
})

demo https://observablehq.com/@observablehq/bottom-right-misaligned-1043

[mbostock]

We need a different fix than #1061.

[mbostock]

The problem in this case wasn’t that the text was positioned wrong relative to its anchor, its that the anchor is in the wrong place when there are ordinal scales. The anchor is drawn here as a red dot:

[mbostock]

More specifically, the problem is that we’re calling applyTransform when the mark doesn’t have an x/y position.