Fix tablist size

Signed-off-by: Lixfel <agga-games@gmx.de>

src/de/steamwar/bungeecore/listeners/TablistManager.java

@@ -199,7 +199,7 @@ public class TablistManager extends BasicListener {
         public int slimSize(ProxiedPlayer viewer) {
             int size = subTablists.stream().mapToInt(tPart -> viewer == null ? tPart.size() : tPart.slimSize(viewer)).sum();
             if(withHeaders)
-                size += subTablists.size() + Math.min(subTablists.size() - 1, 0);
+                size += subTablists.size() * 2;
             return size;
         }