### 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, text.size(), false);
	return text.is_hidden(p_line);
}
void TextEdit::_unhide_all_lines() {
	for (int i = 0; i < text.size(); i++) {
		text.set_hidden(i, false);
	}
	_update_scrollbars();
	queue_redraw();
}
void TextEdit::_set_line_as_hidden(int p_line, bool p_hidden) {
	ERR_FAIL_INDEX(p_line, text.size());
	if (text.is_hidden(p_line) == p_hidden) {
		return;
	}
	if (_is_hiding_enabled() || !p_hidden) {
		text.set_hidden(p_line, p_hidden);
	}
	queue_redraw();
}
void TextEdit::_set_symbol_lookup_word(const String &p_symbol) {
	if (lookup_symbol_word == p_symbol) {
		return;
	}
	lookup_symbol_word = p_symbol;
	queue_redraw();
}
void TextEdit::_handle_unicode_input_internal(const uint32_t p_unicode, int p_caret) {