Did the panel of the Fifth Circuit err by deciding the merit of an appeal not properly before the court

QUESTION(S) PRESENTED ; 1) Did the panel of the Fifth Circuit err by deciding the merit of an appeal not properly before the court ; tc justify the denial of a certificate of appealability. 2) Has the Supreme Court of the United States overturned its own precedent in Buck v. Davis, 137 S.Ct. 759(2017); Where the Supreme Court held that the Fifth Circuit . exceeded the limited scope of the COA analysis. : 3) Did the Fifth Circuit’ err by denying Mr. Burns first Request for an Extension of time to file his Motion , for Rehearing for 30 days. ; . i. oo.