"[U]nder N.C.G.S. § 15A-1444(e), a defendant who has entered a plea of guilty is not entitled to appellate review as a matter of right, unless the defendant is appealing sentencing issues or the denial of a motion to suppress, or the defendant has made an unsuccessful motion to withdraw the guilty plea. State v. Pimental, 153 N.C. App. 69, 73, 568 S.E.2d 867, 870, disc. review denied, 356 N.C. 442, 573 S.E.2d 163 (2002).