Check party level before sending party chat

Fixes #1847

src/main/java/com/gmail/nossr50/commands/chat/PartyChatCommand.java

@@ -4,8 +4,10 @@ import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
 
 import com.gmail.nossr50.chat.PartyChatManager;
+import com.gmail.nossr50.config.Config;
 import com.gmail.nossr50.datatypes.chat.ChatMode;
 import com.gmail.nossr50.datatypes.party.Party;
+import com.gmail.nossr50.datatypes.party.PartyFeature;
 import com.gmail.nossr50.locale.LocaleLoader;
 import com.gmail.nossr50.party.PartyManager;
 import com.gmail.nossr50.util.player.UserManager;
@@ -28,6 +30,11 @@ public class PartyChatCommand extends ChatCommand {
                 return;
             }
 
+            if (party.getLevel() < Config.getInstance().getPartyFeatureUnlockLevel(PartyFeature.CHAT)) {
+                sender.sendMessage(LocaleLoader.getString("Party.Feature.Disabled.1"));
+                return;
+            }
+
             message = buildChatMessage(args, 0);
         }
         else {