Fix "/skoice language"

Author: LucasCdry

src/main/java/net/clementraynaud/skoice/commands/skoice/arguments/LanguageArgument.java

@@ -20,6 +20,7 @@
 package net.clementraynaud.skoice.commands.skoice.arguments;
 
 import net.clementraynaud.skoice.Skoice;
+import net.clementraynaud.skoice.bot.BotStatus;
 import net.clementraynaud.skoice.lang.LangInfo;
 import net.clementraynaud.skoice.storage.config.ConfigField;
 import org.bukkit.command.CommandSender;
@@ -55,7 +56,10 @@ public void run() {
             super.plugin.getBot().getLang().load(language);
             super.plugin.getListenerManager().update();
 
-            this.plugin.getBot().getCommands().register();
+            if (this.plugin.getBot().getStatus() != BotStatus.NOT_CONNECTED) {
+                this.plugin.getBot().getCommands().register();
+            }
+            
             this.sender.sendMessage(super.plugin.getLang().getMessage("chat.configuration.language-updated",
                     language.getFullName()));
 

src/main/java/net/clementraynaud/skoice/listeners/interaction/component/StringSelectInteractionListener.java

@@ -84,9 +84,10 @@ public void onStringSelectInteraction(StringSelectInteractionEvent event) {
                     break;
 
                 case "language-selection":
-                    this.plugin.getConfigYamlFile().set(ConfigField.LANG.toString(), event.getSelectedOptions().get(0).getValue());
-                    this.plugin.getLang().load(LangInfo.valueOf(event.getSelectedOptions().get(0).getValue()));
-                    this.plugin.getBot().getLang().load(LangInfo.valueOf(event.getSelectedOptions().get(0).getValue()));
+                    LangInfo language = LangInfo.valueOf(event.getSelectedOptions().get(0).getValue());
+                    this.plugin.getConfigYamlFile().set(ConfigField.LANG.toString(), language.toString());
+                    this.plugin.getLang().load(language);
+                    this.plugin.getBot().getLang().load(language);
                     this.plugin.getListenerManager().update();
                     this.plugin.getBot().getCommands().register();
                     ConfigurationMenus.getFromMessageId(event.getMessageId()).ifPresent(menu -> menu.setContent("language").edit(event));