### 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_line(0) == "te");
			CHECK(text_edit->has_selection());
			CHECK(text_edit->get_caret_column() == 2);
			SIGNAL_CHECK("lines_edited_from", lines_edited_args);
			SIGNAL_CHECK("caret_changed", empty_signal_args);
			SIGNAL_CHECK("text_changed", empty_signal_args);
			SIGNAL_CHECK_FALSE("text_set");
			
			ERR_PRINT_OFF;
			text_edit->set_line(-1, "test");
			MessageQueue::get_singleton()->flush();
			CHECK(text_edit->get_line(0) == "te");
			SIGNAL_CHECK_FALSE("lines_edited_from");
			SIGNAL_CHECK_FALSE("caret_changed");
			SIGNAL_CHECK_FALSE("text_changed");
			SIGNAL_CHECK_FALSE("text_set");
			text_edit->set_line(1, "test");
			MessageQueue::get_singleton()->flush();
			CHECK(text_edit->get_line(0) == "te");
			SIGNAL_CHECK_FALSE("lines_edited_from");
			SIGNAL_CHECK_FALSE("caret_changed");
			SIGNAL_CHECK_FALSE("text_changed");
			SIGNAL_CHECK_FALSE("text_set");
			ERR_PRINT_ON;
		}
		SUBCASE("[TextEdit] swap lines") {
			((Array)lines_edited_args[1])[1] = 1;
			text_edit->set_text("testing\nswap");
			MessageQueue::get_singleton()->flush();