### 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(p_at, text.size());
	_insert_text(p_at, 0, p_text + "\n");
	for (int i = 0; i < carets.size(); i++) {
		if (get_caret_line(i) >= p_at) {
			
			set_caret_line(get_caret_line(i) + 1, false, true, 0, i);
		}
		if (has_selection(i)) {
			if (get_selection_from_line(i) >= p_at) {
				
				select(get_selection_from_line(i) + 1, get_selection_from_column(i), get_selection_to_line(i) + 1, get_selection_to_column(i), i);
			} else if (get_selection_to_line(i) >= p_at) {
				
				select(get_selection_from_line(i), get_selection_from_column(i), get_selection_to_line(i) + 1, get_selection_to_column(i), i);
			}
		}
	}
	
	current_op.end_carets = carets;
	queue_redraw();
}
void TextEdit::insert_text_at_caret(const String &p_text, int p_caret) {