Send post ChatEvent messages as MessageType.CHAT

Fixes narrator issue #5450

Spigot-Server-Patches/Adventure.patch

@@ -119,6 +119,8 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +import java.util.concurrent.ExecutionException;
 +import java.util.function.Consumer;
 +import java.util.regex.Pattern;
++
++import net.kyori.adventure.audience.MessageType;
 +import net.kyori.adventure.text.Component;
 +import net.kyori.adventure.text.TextReplacementConfig;
 +import net.kyori.adventure.text.event.ClickEvent;
@@ -273,7 +275,7 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +            }
 +        } else {
 +            for (final Player recipient : event.recipients()) {
-+                recipient.sendMessage(player, message);
++                recipient.sendMessage(player, message, MessageType.CHAT);
 +            }
 +        }
 +    }