Make CompanionMenu Database Calls async

[Zoriot]

like the todo from cinna said.

Plot-System/src/main/java/com/alpsbte/plotsystem/core/menus/companion/CompanionMenu.java

Lines 48 to 72 in 57b021e

	public static boolean hasContinentView() {
	// TODO: make this run async
	return Arrays.stream(Continent.values()).map(continent -> DataProvider.COUNTRY.getCountriesByContinent(continent).size()).filter(count -> count > 0).count() > 1;
	}
	/**
	* Determine what menu to open for the player
	*
	* @param player player to open the menu for
	*/
	public static void open(Player player) {
	if (hasContinentView()) {
	new ContinentMenu(player);
	} else {
	// TODO: make this run async
	Optional<Continent> continent = Arrays.stream(Continent.values()).filter(c -> !DataProvider.COUNTRY.getCountriesByContinent(c).isEmpty()).findFirst();
	if (continent.isEmpty()) {
	player.sendMessage(Utils.ChatUtils.getAlertFormat(LangUtil.getInstance().get(player, LangPaths.Message.Error.ERROR_OCCURRED)));
	return;
	}
	new CountryMenu(player, continent.get());
	}
	}