### 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->has_selection(0));
			CHECK(text_edit->get_selected_text(0) == "test");
			CHECK(text_edit->get_selection_from_line(0) == 1);
			CHECK(text_edit->get_selection_from_column(0) == 0);
			CHECK(text_edit->get_selection_to_line(0) == 1);
			CHECK(text_edit->get_selection_to_column(0) == 4);
			CHECK(text_edit->get_caret_line(0) == 1);
			CHECK(text_edit->get_caret_column(0) == 4);
			CHECK(text_edit->has_selection(1));
			CHECK(text_edit->get_selected_text(1) == "test");
			CHECK(text_edit->get_selection_from_line(1) == 2);
			CHECK(text_edit->get_selection_from_column(1) == 0);
			CHECK(text_edit->get_selection_to_line(1) == 2);
			CHECK(text_edit->get_selection_to_column(1) == 4);
			CHECK(text_edit->get_caret_line(1) == 2);
			CHECK(text_edit->get_caret_column(1) == 4);
			CHECK(text_edit->get_caret_count() == 2);
			text_edit->select_word_under_caret();
			CHECK_FALSE(text_edit->has_selection());
			CHECK(text_edit->get_selected_text() == "");
			SEND_GUI_ACTION("ui_text_select_word_under_caret");
			CHECK(text_edit->get_viewport()->is_input_handled());
			MessageQueue::get_singleton()->flush();
			CHECK(text_edit->has_selection(0));
			CHECK(text_edit->get_selected_text(0) == "test");
			CHECK(text_edit->get_selection_from_line(0) == 1);
			CHECK(text_edit->get_selection_from_column(0) == 0);
			CHECK(text_edit->get_selection_to_line(0) == 1);
			CHECK(text_edit->get_selection_to_column(0) == 4);
			CHECK(text_edit->get_caret_line(0) == 1);