Maybe fix empty profile issue (GeyserMC#458)

Co-authored-by: Camotoy <[email protected]>

spigot/src/main/java/org/geysermc/floodgate/listener/PaperProfileListener.java

@@ -26,13 +26,16 @@
 package org.geysermc.floodgate.listener;
 
 import com.destroystokyo.paper.event.profile.PreFillProfileEvent;
+import com.destroystokyo.paper.profile.PlayerProfile;
 import com.destroystokyo.paper.profile.ProfileProperty;
 import com.google.inject.Inject;
 import java.util.HashSet;
 import java.util.Set;
 import java.util.UUID;
+import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.Listener;
+import org.bukkit.event.player.PlayerJoinEvent;
 import org.geysermc.floodgate.api.SimpleFloodgateApi;
 import org.geysermc.floodgate.api.player.FloodgatePlayer;
 
@@ -62,4 +65,23 @@ public void onFill(PreFillProfileEvent event) {
         properties.add(new ProfileProperty("textures", "", ""));
         event.setProperties(properties);
     }
+
+    @EventHandler
+    public void onPlayerJoin(PlayerJoinEvent event) {
+        Player bukkitPlayer = event.getPlayer();
+        FloodgatePlayer player = api.getPlayer(bukkitPlayer.getUniqueId());
+        if (player == null || player.isLinked()) {
+            return;
+        }
+
+        PlayerProfile profile = bukkitPlayer.getPlayerProfile();
+        if (profile.getProperties().stream().noneMatch(
+                prop -> "textures".equals(prop.getName()) && prop.getValue().isEmpty()
+                        && prop.getSignature() != null && prop.getSignature().isEmpty())) {
+            return;
+        }
+
+        profile.removeProperty("textures");
+        bukkitPlayer.setPlayerProfile(profile);
+    }
 }