fix: add staleTime: Infinity to useWarpFees query

Tx receipts are immutable once confirmed, so there's no need to
refetch on remount.

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

Author: paulbalaji

src/features/messages/warpFees/useWarpFees.ts

@@ -14,6 +14,7 @@ export function useWarpFees(
     queryKey: ['warpFees', message.id, warpRouteDetails?.originToken.addressOrDenom],
     queryFn: () => fetchWarpFees(message, warpRouteDetails!, multiProvider),
     enabled: !!warpRouteDetails,
+    staleTime: Infinity,
   });
 
   return data ?? null;