This provides better usability when a GradientTexture or CurveTexture is added to a Control node. Visual appearance of most GradientTextures and CurveTextures will be unaffected.
GradientTexture
GradientTexture1D
1. Explicit and unambiguous when comparing to `GradientTexture2D` 2. Consistent with other class names where 1D is used in the engine.