feature switch chess icon on android: visible in debug/benchmark client only

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/navigation/drawer/DrawerContent.kt

@@ -89,6 +89,7 @@ import coil3.compose.AsyncImage
 import com.vitorpamplona.amethyst.BuildConfig
 import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.commons.model.ImmutableListOfLists
+import com.vitorpamplona.amethyst.isDebug
 import com.vitorpamplona.amethyst.model.Account
 import com.vitorpamplona.amethyst.model.User
 import com.vitorpamplona.amethyst.service.relayClient.reqCommand.event.observeNote
@@ -473,6 +474,7 @@ fun ListContent(
             route = Route.Wallet,
         )
 
+        if (isDebug) {
             NavigationRow(
                 title = R.string.route_chess,
                 icon = R.drawable.ic_chess,
@@ -481,6 +483,7 @@ fun ListContent(
                 nav = nav,
                 route = Route.Chess,
             )
+        }
 
         NavigationRow(
             title = R.string.event_sync_title,