### Godot version

4.0.3

### System information

Win7

### Issue description

![image](https://github.com/godotengine/godot/assets/28286958/abec9d3c-e078-424c-9430-d9fe8897aad6)


### Steps to reproduce

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

### Minimal reproduction project

N/A
if (uniform_scope == ShaderNode::Uniform::SCOPE_LOCAL) {
						tk = _get_token();
						if (tk.type != TK_UNIFORM) {
							_set_expected_after_error("uniform", "instance");
							return ERR_PARSE_ERROR;
						}
						uniform_scope = ShaderNode::Uniform::SCOPE_INSTANCE;
					}
				}
			};
				[[fallthrough]];
			case TK_UNIFORM:
			case TK_VARYING: {
				bool is_uniform = tk.type == TK_UNIFORM;
#ifdef DEBUG_ENABLED
				keyword_completion_context = CF_UNSPECIFIED;
#endif 
				if (!is_uniform) {
					if (shader_type_identifier == "particles" || shader_type_identifier == "sky" || shader_type_identifier == "fog") {
						_set_error(vformat(RTR("Varyings cannot be used in '%s' shaders."), shader_type_identifier));
						return ERR_PARSE_ERROR;
					}
				}
				DataPrecision precision = PRECISION_DEFAULT;
				DataInterpolation interpolation = INTERPOLATION_DEFAULT;
				DataType type;
				StringName name;
				int array_size = 0;
				tk = _get_token();
#ifdef DEBUG_ENABLED