In current WebGPU SPEC the default value of GPUSamplerDescriptor.addressMode{U, V, W} are all "clamp-to-edge", while in WebGL 1.0 and OpenGL ES 2.0 SPEC (chapter 3.7.6), the default value of TEXTURE_WRAP_S and TEXTURE_WRAP_T are both GL_REPEAT. Is it intended to introduce such difference?