### 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_FALSE(text_edit->has_selection(1));
			SIGNAL_CHECK("caret_changed", empty_signal_args);
			SIGNAL_CHECK_FALSE("text_changed");
			SIGNAL_CHECK_FALSE("lines_edited_from");
		}
		SUBCASE("[TextEdit] ui_text_caret_document_start") {
			text_edit->set_line_wrapping_mode(TextEdit::LineWrappingMode::LINE_WRAPPING_BOUNDARY);
			text_edit->set_size(Size2(110, 100));
			text_edit->set_text("this is some\nother test\nlines\ngo here");
			text_edit->set_caret_line(4);
			text_edit->set_caret_column(7);
			text_edit->add_caret(3, 2);
			CHECK(text_edit->get_caret_count() == 2);
			MessageQueue::get_singleton()->flush();
			CHECK(text_edit->is_line_wrapped(0));
			SIGNAL_DISCARD("text_set");
			SIGNAL_DISCARD("text_changed");
			SIGNAL_DISCARD("lines_edited_from");
			SIGNAL_DISCARD("caret_changed");
#ifdef MACOS_ENABLED
			SEND_GUI_KEY_EVENT(Key::UP | KeyModifierMask::CMD_OR_CTRL | KeyModifierMask::SHIFT);
#else
			SEND_GUI_KEY_EVENT(Key::HOME | KeyModifierMask::CMD_OR_CTRL | KeyModifierMask::SHIFT);
#endif
			CHECK(text_edit->get_viewport()->is_input_handled());
			CHECK(text_edit->get_text() == "this is some\nother test\nlines\ngo here");
			CHECK(text_edit->get_caret_line() == 0);
			CHECK(text_edit->get_caret_column() == 0);
			CHECK(text_edit->get_selected_text() == "this is some\nother test\nlines\ngo here");
			CHECK(text_edit->has_selection());