### 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)

MessageQueue::get_singleton()->flush();
	CHECK(text_edit->get_first_visible_line() == 5);
	SEND_GUI_KEY_EVENT(Key::A);
	CHECK(text_edit->get_first_visible_line() == 0);
	text_edit->set_line_as_first_visible(5);
	MessageQueue::get_singleton()->flush();
	CHECK(text_edit->get_first_visible_line() == 5);
	text_edit->undo();
	MessageQueue::get_singleton()->flush();
	CHECK(text_edit->get_first_visible_line() == 0);
	text_edit->set_line_as_first_visible(5);
	MessageQueue::get_singleton()->flush();
	CHECK(text_edit->get_first_visible_line() == 5);
	text_edit->redo();
	MessageQueue::get_singleton()->flush();
	CHECK(text_edit->get_first_visible_line() == 0);
	memdelete(text_edit);
}
TEST_CASE("[SceneTree][TextEdit] setter getters") {
	TextEdit *text_edit = memnew(TextEdit);
	SceneTree::get_singleton()->get_root()->add_child(text_edit);
	SUBCASE("[TextEdit] set and get placeholder") {
		text_edit->set_placeholder("test\nplaceholder");
		CHECK(text_edit->get_placeholder() == "test\nplaceholder");
		CHECK(text_edit->get_text() == "");
		CHECK(text_edit->get_line_count() == 1);
		CHECK(text_edit->get_last_full_visible_line() == 0);
	}
	SUBCASE("[TextEdit] highlight current line") {
		text_edit->set_highlight_current_line(true);