### 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 (error != OK) {
							return error;
						}
						tk = _get_token();
					}
					shader->varyings[name] = varying;
#ifdef DEBUG_ENABLED
					if (check_warnings && HAS_WARNING(ShaderWarning::UNUSED_VARYING_FLAG)) {
						used_varyings.insert(name, Usage(tk_line));
					}
#endif 
				}
			} break;
			case TK_UNIFORM_GROUP: {
				tk = _get_token();
				if (tk.type == TK_IDENTIFIER) {
					current_uniform_group_name = tk.text;
					tk = _get_token();
					if (tk.type == TK_PERIOD) {
						tk = _get_token();
						if (tk.type == TK_IDENTIFIER) {
							current_uniform_subgroup_name = tk.text;
							tk = _get_token();
							if (tk.type != TK_SEMICOLON) {
								_set_expected_error(";");
								return ERR_PARSE_ERROR;
							}
						} else {
							_set_error(RTR("Expected an uniform subgroup identifier."));
							return ERR_PARSE_ERROR;