Fix CurveTexture ignores domain range and doesn't record it fully

[vreedw]

CurveTexture doesn't register custom domain range and records range (0/width) to (width-1/width) missing the last chunk.

• Bugsquad edit, closes: Incorrect Curve baking in CurveTexture resource #111413

[AThousandShips]

Is there an issue tracking this? If not please create one to make sure we track the context of why this is needed

[vreedw]

Yes, here's the link: #111413 (comment)
On top of the things described there, you can see that the anchor in MRP at (1.0, 1.0) is not being recorded by dragging its tangent. Provided fix solves the issue