Shader cannot use unsigned int suffix with hex

[Kinwailo]

Godot version

4.0.3

System information

Win7

Issue description

Steps to reproduce

1. Create shader
2. Add uint with hex, e.g. 0xffffu

Minimal reproduction project

N/A

[Calinou]

Is this valid in the GLSL specification, including OpenGL ES 3.0 (for the Compatibility rendering method)?

[AThousandShips]

It is in GLSL 4.6 at least according to the specs

[Kinwailo]

I search some glsl code, it doesn't force to use "u" suffix value assign to uint.
In gdshader, it don't allow to use: uint a = 1;