Ensure limbo plugin exists for fromLimbo

src/main/java/xyz/earthcow/networkjoinmessages/bungee/BungeeMain.java

@@ -210,4 +210,9 @@ public int runTaskAsyncLater(Runnable task, int timeInMillisecondsLater) {
     public boolean isPluginLoaded(String pluginName) {
         return getProxy().getPluginManager().getPlugin(pluginName) != null;
     }
+
+    @Override
+    public boolean hasLimbo() {
+        return false;
+    }
 }

src/main/java/xyz/earthcow/networkjoinmessages/common/abstraction/CorePlugin.java

@@ -32,6 +32,7 @@ public interface CorePlugin {
     int runTaskAsyncLater(Runnable task, int timeInMillisecondsLater);
 
     boolean isPluginLoaded(String pluginName);
+    boolean hasLimbo();
 
     CoreCommandSender getConsole();
 

src/main/java/xyz/earthcow/networkjoinmessages/common/listeners/CorePlayerListener.java

@@ -90,7 +90,7 @@ public void onServerConnected(@NotNull CorePlayer player, @NotNull CoreBackendSe
             if (!stateStore.isConnected(player)) {
                 handleJoin(player, server);
             } else {
-                boolean fromLimbo = plugin.getServerType() == ServerType.VELOCITY && previousServer == null;
+                boolean fromLimbo = plugin.hasLimbo() && previousServer == null;
                 handleSwap(player, server, fromLimbo);
             }
         });

src/main/java/xyz/earthcow/networkjoinmessages/velocity/VelocityMain.java

@@ -224,6 +224,11 @@ public boolean isPluginLoaded(String pluginName) {
         return proxy.getPluginManager().isLoaded(pluginName.toLowerCase());
     }
 
+    @Override
+    public boolean hasLimbo() {
+        return isLimboAPIAvailable;
+    }
+
     @Override
     public CorePlayer createPlayer(UUID uuid) {
         Optional<Player> player = proxy.getPlayer(uuid);