### 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)

CHECK(text_edit->get_last_full_visible_line_wrap_index() == 0);
	CHECK(text_edit->get_caret_wrap_index() == 0);
	SEND_GUI_ACTION("ui_text_caret_page_down");
	CHECK(text_edit->get_viewport()->is_input_handled());
	CHECK(text_edit->get_caret_line() == 42);
	CHECK(text_edit->get_first_visible_line() == 21);
	CHECK(text_edit->get_v_scroll() == 21);
	CHECK(text_edit->get_last_full_visible_line() == (visible_lines * 2) - 1);
	CHECK(text_edit->get_last_full_visible_line_wrap_index() == 0);
	CHECK(text_edit->get_caret_wrap_index() == 0);
	SEND_GUI_ACTION("ui_text_caret_page_up");
	CHECK(text_edit->get_viewport()->is_input_handled());
	CHECK(text_edit->get_caret_line() == 22);
	CHECK(text_edit->get_first_visible_line() == 21);
	CHECK(text_edit->get_v_scroll() == 21);
	CHECK(text_edit->get_last_full_visible_line() == (visible_lines * 2) - 1);
	CHECK(text_edit->get_last_full_visible_line_wrap_index() == 0);
	CHECK(text_edit->get_caret_wrap_index() == 0);
	SEND_GUI_ACTION("ui_text_caret_page_up");
	CHECK(text_edit->get_viewport()->is_input_handled());
	CHECK(text_edit->get_caret_line() == 2);
	CHECK(text_edit->get_first_visible_line() == 2);
	CHECK(text_edit->get_v_scroll() == 2);
	CHECK(text_edit->get_last_full_visible_line() == visible_lines + 1);
	CHECK(text_edit->get_last_full_visible_line_wrap_index() == 0);
	CHECK(text_edit->get_caret_wrap_index() == 0);
	
	text_edit->set_caret_line(0);
	text_edit->set_caret_column(0);
	text_edit->set_line_as_first_visible(5);