### 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_selected_text() == "");
			CHECK(text_edit->get_caret_line(0) == 1);
			CHECK(text_edit->get_caret_column(0) == 5);
			CHECK(text_edit->get_caret_line(1) == 2);
			CHECK(text_edit->get_caret_column(1) == 5);
			SIGNAL_CHECK_FALSE("caret_changed");
		}
		SUBCASE("[TextEdit] add selection for next occurrence") {
			text_edit->set_text("\ntest   other_test\nrandom   test\nword test word nonrandom");
			text_edit->set_caret_column(0);
			text_edit->set_caret_line(1);
			
			text_edit->add_selection_for_next_occurrence();
			CHECK(text_edit->get_caret_count() == 1);
			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);
			text_edit->add_selection_for_next_occurrence();
			CHECK(text_edit->get_caret_count() == 2);
			CHECK(text_edit->get_selected_text(1) == "test");
			CHECK(text_edit->get_selection_from_line(1) == 1);
			CHECK(text_edit->get_selection_from_column(1) == 13);
			CHECK(text_edit->get_selection_to_line(1) == 1);
			CHECK(text_edit->get_selection_to_column(1) == 17);
			CHECK(text_edit->get_caret_line(1) == 1);
			CHECK(text_edit->get_caret_column(1) == 17);