### 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_text() == "new line\nswap");
			CHECK(text_edit->get_caret_line() == 0);
			CHECK(text_edit->get_caret_column() == 8);
			CHECK_FALSE(text_edit->has_selection());
			SIGNAL_CHECK("lines_edited_from", lines_edited_args);
			SIGNAL_CHECK("text_changed", empty_signal_args);
			SIGNAL_CHECK("caret_changed", empty_signal_args);
			SIGNAL_CHECK_FALSE("text_set");
		}
		SIGNAL_UNWATCH(text_edit, "text_set");
		SIGNAL_UNWATCH(text_edit, "text_changed");
		SIGNAL_UNWATCH(text_edit, "lines_edited_from");
		SIGNAL_UNWATCH(text_edit, "caret_changed");
	}
	SUBCASE("[TextEdit] indent level") {
		CHECK(text_edit->get_indent_level(0) == 0);
		CHECK(text_edit->get_first_non_whitespace_column(0) == 0);
		text_edit->set_line(0, "a");
		CHECK(text_edit->get_indent_level(0) == 0);
		CHECK(text_edit->get_first_non_whitespace_column(0) == 0);
		text_edit->set_line(0, "\t");
		CHECK(text_edit->get_indent_level(0) == 4);
		CHECK(text_edit->get_first_non_whitespace_column(0) == 1);
		text_edit->set_tab_size(8);
		CHECK(text_edit->get_indent_level(0) == 8);
		text_edit->set_line(0, "\t a");
		CHECK(text_edit->get_first_non_whitespace_column(0) == 2);
		CHECK(text_edit->get_indent_level(0) == 9);
	}
	SUBCASE("[TextEdit] selection") {