fix(ui): различать нулевые и неизвестные счётчики WireGuard

components/data-grids/wireguard-peers-grid.tsx

@@ -156,12 +156,12 @@ function WireguardPeersGrid({
         enableSorting: false,
         cell: ({ row }) => (
           <div className="flex items-center gap-2 whitespace-nowrap text-xs text-muted-foreground">
-            <span className="flex items-center gap-0.5">
-              <ArrowDownIcon className="size-3 text-success" />
+            <span aria-label="RX" className="flex items-center gap-0.5">
+              <ArrowDownIcon aria-hidden="true" className="size-3 text-success" />
               {fmtBytes(row.original.transferRx)}
             </span>
-            <span className="flex items-center gap-0.5">
-              <ArrowUpIcon className="size-3 text-info" />
+            <span aria-label="TX" className="flex items-center gap-0.5">
+              <ArrowUpIcon aria-hidden="true" className="size-3 text-info" />
               {fmtBytes(row.original.transferTx)}
             </span>
           </div>