### Godot version

v4.0.beta.custom_build [13f0158]

### System information

Windows 10

### Issue description

When doing operations (`begin_complex_operation` and `end_complex_operation`) with multiple selections in TextEdit, some of these selections don't revert upon undo. This behavior is affects some of script editor's operations, like duplicate selection and delete lines.

### Steps to reproduce

Open script editor, make multiple selections. Keep in mind what you have selected. Do duplicate selection (ctrl+shift+D). Undo (ctrl+Z). Compare the result to what you remember.

### Minimal reproduction project

N/A
if (p_last_fit_x == -1) {
		p_last_fit_x = _get_column_x_offset_for_line(p_old_column, p_old_line, p_old_column);
	}
	
	p_new_line = p_old_line;
	int caret_wrap_index = p_old_wrap_index;
	if (p_below) {
		if (caret_wrap_index < get_line_wrap_count(p_new_line)) {
			caret_wrap_index++;
		} else {
			p_new_line++;
			caret_wrap_index = 0;
		}
	} else {
		if (caret_wrap_index == 0) {
			p_new_line--;
			caret_wrap_index = get_line_wrap_count(p_new_line);
		} else {
			caret_wrap_index--;
		}
	}