### 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_COND(p_caret > carets.size());
	if (!editable) {
		return;
	}
	start_action(EditAction::ACTION_TYPING);
	Vector<int> caret_edit_order = get_caret_index_edit_order();
	for (const int &i : caret_edit_order) {
		if (p_caret != -1 && p_caret != i) {
			continue;
		}
		
		if (overtype_mode && !has_selection(i)) {
			
			int cl = get_caret_line(i);
			int cc = get_caret_column(i);
			if (cc < get_line(cl).length()) {
				_remove_text(cl, cc, cl, cc + 1);
			}
		}
		const char32_t chr[2] = { (char32_t)p_unicode, 0 };
		insert_text_at_caret(chr, i);
	}
	end_action();
}
void TextEdit::_backspace_internal(int p_caret) {