Fix banning phase showing after match completion (#2712)

Co-authored-by: Claude <noreply@anthropic.com>

app/features/tournament-bracket/components/StartedMatch.tsx

@@ -313,6 +313,7 @@ function FancyStageBanner({
 	};
 
 	const inBanPhase =
+		!data.matchIsOver &&
 		data.match.roundMaps?.pickBan === "BAN_2" &&
 		data.mapList &&
 		data.mapList.filter((m) => m.bannedByTournamentTeamId).length < 2;

app/features/tournament-bracket/core/PickBan.ts

@@ -35,6 +35,12 @@ export function turnOf({
 
 	switch (maps.pickBan) {
 		case "BAN_2": {
+			if (
+				isSetOverByResults({ count: maps.count, results, countType: maps.type })
+			) {
+				return null;
+			}
+
 			// typically lower seed is the "bottom team" and they pick first
 			const [secondPicker, firstPicker] = teams;