### 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)

if (Input::get_singleton()->is_mouse_button_pressed(MouseButton::LEFT) && get_selection_mode() != SelectionMode::SELECTION_MODE_NONE) {
		switch (get_selection_mode()) {
			case SelectionMode::SELECTION_MODE_POINTER: {
				_update_selection_mode_pointer();
			} break;
			case SelectionMode::SELECTION_MODE_WORD: {
				_update_selection_mode_word();
			} break;
			case SelectionMode::SELECTION_MODE_LINE: {
				_update_selection_mode_line();
			} break;
			default: {
				break;
			}
		}
	} else {
		click_select_held->stop();
	}
}
void TextEdit::_update_selection_mode_pointer() {