### Godot version

Godot 4.0 statble

### System information

Windows 10

### Issue description

TextEdit boundary wrapmode not works, it only removes the horizontal scrollbar

### Steps to reproduce

Add a textedit in editor, set  the wrap mode to boundary, type something.

### Minimal reproduction project

![image](https://user-images.githubusercontent.com/9168814/224538077-2efb4e67-8976-496e-9223-c460365ecc28.png)
![image](https://user-images.githubusercontent.com/9168814/224538084-af773b86-d73a-4e8b-9b66-a0fb4bde1168.png)

ERR_FAIL_INDEX_V(p_line_from, text.size(), ABS(p_visible_amount));
	if (!_is_hiding_enabled()) {
		return ABS(p_visible_amount);
	}
	int num_visible = 0;
	int num_total = 0;
	if (p_visible_amount >= 0) {
		for (int i = p_line_from; i < text.size(); i++) {
			num_total++;
			if (!_is_line_hidden(i)) {
				num_visible++;
			}
			if (num_visible >= p_visible_amount) {
				break;
			}
		}
	} else {
		p_visible_amount = ABS(p_visible_amount);
		for (int i = p_line_from; i >= 0; i--) {
			num_total++;
			if (!_is_line_hidden(i)) {
				num_visible++;
			}
			if (num_visible >= p_visible_amount) {
				break;
			}