Fix long question text overflow in Game Queue panel

Add min-w-0 to the queue column so truncation works within the
CSS grid layout.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

frontend/frontend/src/components/questionbank/GameSetupView.tsx

@@ -854,7 +854,7 @@ export default function GameSetupView() {
 					</div>
 
 					{/* RIGHT: Game Queue */}
-					<div className="flex flex-col rounded-lg border">
+					<div className="flex min-w-0 flex-col rounded-lg border">
 						<div className="flex items-center justify-between border-b px-3 py-2">
 							<h2 className="text-sm font-semibold">
 								Game Queue