Fix tablist (some tests done, potentielly fixed)

VelocityCore/src/de/steamwar/velocitycore/tablist/Tablist.java

@@ -43,6 +43,7 @@ import net.kyori.adventure.text.Component;
 import net.kyori.adventure.text.format.NamedTextColor;
 
 import java.util.*;
+import java.util.logging.Level;
 import java.util.stream.IntStream;
 
 @ChannelHandler.Sharable
@@ -63,7 +64,6 @@ public class Tablist extends ChannelInboundHandlerAdapter {
         this.player = player;
         this.viewer = Chatter.of(player);
         this.directTabItems = Storage.directTabItems.computeIfAbsent(player, p -> new HashMap<>());
-        injection();
     }
 
     public void update(TablistPart global, int seconds) {
@@ -150,8 +150,14 @@ public class Tablist extends ChannelInboundHandlerAdapter {
 
     private void injection() {
         connection = (VelocityServerConnection) player.getCurrentServer().orElse(null);
-        if(connection == null)
-            return;
+        if(connection == null) {
+            connection = ((ConnectedPlayer) player).getConnectionInFlight();
+
+            if(connection == null) {
+                VelocityCore.getLogger().log(Level.WARNING, "Could not inject Tablist: %s".formatted(player));
+                return;
+            }
+        }
 
         ChannelPipeline pipeline = connection.getConnection().getChannel().pipeline();
         if(pipeline.get("steamwar-tablist") != null) //Catch unclean exit

VelocityCore/src/de/steamwar/velocitycore/tablist/TablistManager.java

@@ -21,9 +21,9 @@ package de.steamwar.velocitycore.tablist;
 
 import com.velocitypowered.api.event.Subscribe;
 import com.velocitypowered.api.event.connection.DisconnectEvent;
-import com.velocitypowered.api.event.connection.PostLoginEvent;
 import com.velocitypowered.api.event.player.ServerConnectedEvent;
 import com.velocitypowered.api.event.player.ServerPostConnectEvent;
+import com.velocitypowered.api.network.ProtocolVersion;
 import com.velocitypowered.api.proxy.Player;
 import com.velocitypowered.api.proxy.server.RegisteredServer;
 import de.steamwar.network.packets.common.FightInfoPacket;
@@ -59,20 +59,14 @@ public class TablistManager extends BasicListener {
         }
     }
 
-    @Subscribe
-    public void onJoin(PostLoginEvent event) {
-        Tablist.sendPacket(event.getPlayer(), Tablist.createTeamPacket);
-    }
-
     @Subscribe
     public void onServerConnection(ServerConnectedEvent event) {
         synchronized (tablists) {
-            if (tablists.containsKey(event.getPlayer())) {
-                tablists.get(event.getPlayer()).onServerSwitch();
-            } else {
-                tablists.put(event.getPlayer(), new Tablist(event.getPlayer()));
-            }
+            tablists.computeIfAbsent(event.getPlayer(), Tablist::new).onServerSwitch();
         }
+
+        if(event.getPlayer().getProtocolVersion().noGreaterThan(ProtocolVersion.MINECRAFT_1_20))
+            Tablist.sendPacket(event.getPlayer(), Tablist.createTeamPacket);
     }
 
     @Subscribe