### Godot version

4.1.1

### System information

linux

### Issue description

The `"%+f"` format adds a `+` sign in front of positive numbers. If you try to format `-0.0`, it breaks and displays both a `+` and a `-`.

### Steps to reproduce

```gdscript
@tool
extends EditorScript

func _run() -> void:
    print("%+f" % -0.0)
```

### Minimal reproduction project

see above
} else if (p_num < 1024) {
		return 1;
	} else {
		return 0;
	}
}
 ::humanize_size(uint64_t p_size) {
	uint64_t _div = 1;
	Vector<> prefixes;
	prefixes.push_back(RTR("B"));
	prefixes.push_back(RTR("KiB"));
	prefixes.push_back(RTR("MiB"));
	prefixes.push_back(RTR("GiB"));
	prefixes.push_back(RTR("TiB"));
	prefixes.push_back(RTR("PiB"));
	prefixes.push_back(RTR("EiB"));
	int prefix_idx = 0;
	while (prefix_idx < prefixes.size() - 1 && p_size > (_div * 1024)) {
		_div *= 1024;
		prefix_idx++;
	}
	const int digits = prefix_idx > 0 ? _humanize_digits(p_size / _div) : 0;
	const double divisor = prefix_idx > 0 ? _div : 1;
	return ::num(p_size / divisor).pad_decimals(digits) + " " + prefixes[prefix_idx];
}
bool ::is_absolute_path() const {
	if (length() > 1) {
		return (operator[](0) == '/' || operator[](0) == '\\' || find(":/") != -1 || find(":\\") != -1);
	} else if ((length()) == 1) {
		return (operator[](0) == '/' || operator[](0) == '\\');