### 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)

return syntax_highlighter.is_null() && !setting_text ? Dictionary() : syntax_highlighter->get_line_syntax_highlighting(p_line);
}
void TextEdit::_text_changed_emit() {
	emit_signal(SNAME("text_changed"));
	text_changed_dirty = false;
}
void TextEdit::_insert_text(int p_line, int p_char, const String &p_text, int *r_end_line, int *r_end_char) {
	if (!setting_text && idle_detect->is_inside_tree()) {
		idle_detect->start();
	}
	if (undo_enabled) {
		_clear_redo();
	}
	int retline, retchar;
	_base_insert_text(p_line, p_char, p_text, retline, retchar);
	if (r_end_line) {
		*r_end_line = retline;
	}
	if (r_end_char) {
		*r_end_char = retchar;
	}
	if (!undo_enabled) {
		return;
	}
	
	TextOperation op;
	op.type = TextOperation::TYPE_INSERT;
	op.from_line = p_line;
	op.from_column = p_char;