WGSL Vertex Shader 中支持纹理采样

[xiaoiver]

目前 WebGPU 下，如果在 Vertex Shader 中使用 uniform sampler2D，转译后会报错。

[Issues-translate-bot]

Bot detected the issue body's language is not English, translate it automatically. 👯👭🏻🧑‍🤝‍🧑👫🧑🏿‍🤝‍🧑🏻👩🏾‍🤝‍👨🏿👬🏿

---

Title: Texture sampling is supported in WGSL Vertex Shader

Currently under WebGPU, if you use uniform sampler2D in Vertex Shader, an error will be reported after translation.