### 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
TkPos pre_pos = _get_tkpos();
	int line = pre_pos.tk_line;
	_get_token();
	Token tk = _get_token();
	_set_tkpos(pre_pos);
	if (tk.line == line) {
		r_tk = tk;
		return true;
	}
	return false;
}
String ShaderLanguage::token_debug(const String &p_code) {
	clear();
	code = p_code;
	String output;
	Token tk = _get_token();
	while (tk.type != TK_EOF && tk.type != TK_ERROR) {
		output += itos(tk_line) + ": " + get_token_text(tk) + "\n";
		tk = _get_token();
	}
	return output;
}
bool ShaderLanguage::is_token_variable_datatype(TokenType p_type) {