Torts — Negligence — Infliction of emotional distress — Funeral home — Loss of cremated remains of miscarried baby — Impact rule — Trial court did not err by granting summary judgment in favor of funeral home on ground that recovery was barred because parents suffered no physical impact or physical manifestation of their emotional distress — Trial court did not err in finding, as matter of law, that summary judgment evidence would not support a finding of willful, wanton, malicious, or outrageous behavior on part of defendant