[Citizens] sendTeam (fix collision and nameplate)

/**
 * Send team of npc
 *
 * @param action the action (create, update, delete)
 * @param player the player want receive the team (pass null for broadcast)
 */
private void sendTeam(@Nonnull String action, Player player) {
    try {
        final String id = uuid.toString().replaceAll("-", "").substring(0, 16);

        // Get scoreboard team instance
        final Class<?> scoreboardTeamClass = ReflectionUtils.PacketType.PLAY_OUT_SCOREBOARD_TEAM.getPacket();
        final Object scoreboardTeam = Reflection.getConstructor(scoreboardTeamClass).invoke();
        final Class<?> iChatBaseComponentClass = Reflection.getMinecraftClass("IChatBaseComponent");
        final Class<?> chatComponentClass = Reflection.getMinecraftClass("ChatComponentText");
        final Reflection.ConstructorInvoker chatComponentConstructor = Reflection.getConstructor(chatComponentClass, String.class);

        Reflection.getField(scoreboardTeamClass, "a", String.class).set(scoreboardTeam, id);
        Reflection.getField(scoreboardTeamClass, "b", iChatBaseComponentClass)
                .set(scoreboardTeam, chatComponentConstructor.invoke(id));

        // Set prefix and suffix
        if (!Strings.isNullOrEmpty(prefix)) {
            Reflection.getField(scoreboardTeamClass, "c", iChatBaseComponentClass)
                    .set(scoreboardTeam, chatComponentConstructor.invoke(prefix));
        }
        if (!Strings.isNullOrEmpty(suffix)) {
            Reflection.getField(scoreboardTeamClass, "d", iChatBaseComponentClass)
                    .set(scoreboardTeam, chatComponentConstructor.invoke(suffix));
        }

        // Disable name tag and collision
        Reflection.getField(scoreboardTeamClass, "e", String.class).set(scoreboardTeam, isNameVisible ? "always" : "never");
        Reflection.getField(scoreboardTeamClass, "f", String.class).set(scoreboardTeam, "never");

        // Set action of packet
        switch (action.toLowerCase()) {
            case "create":
                Reflection.getField(scoreboardTeamClass, "i", int.class).set(scoreboardTeam, 0);

                // Add npc to team
                Reflection.getField(scoreboardTeamClass, "h", Collection.class)
                        .set(scoreboardTeam, Collections.singletonList(name));
                break;
            case "delete":
                Reflection.getField(scoreboardTeamClass, "i", int.class).set(scoreboardTeam, 1);
                break;
            case "update":
                Reflection.getField(scoreboardTeamClass, "i", int.class).set(scoreboardTeam, 2);
                break;
        }

        // Send packet
        if (player != null) {
            ReflectionUtils.sendPacket(player, scoreboardTeam);
        } else {
            broadcastPacket(scoreboardTeam);
        }
    } catch (ClassNotFoundException | NoSuchMethodException | NoSuchFieldException e) {
        e.printStackTrace();
    }
}