Renamed Utils.java to PacketUtils.java

src/main/java/wtf/hak/survivalfabric/utils/PacketUtils.java

@@ -0,0 +1,15 @@
+package wtf.hak.survivalfabric.utils;
+
+import net.minecraft.network.packet.s2c.play.PlayerListS2CPacket;
+import net.minecraft.server.network.ServerPlayerEntity;
+
+import java.util.Objects;
+
+public class PacketUtils {
+
+    public static void updateListNames(ServerPlayerEntity p) {
+        for(ServerPlayerEntity sp : Objects.requireNonNull(p.getServer()).getPlayerManager().getPlayerList()) {
+            sp.networkHandler.sendPacket(new PlayerListS2CPacket(PlayerListS2CPacket.Action.UPDATE_DISPLAY_NAME, p));
+        }
+    }
+}