(buttons): Ticket threads now prefix [CLOSED].

This applies to both tickets closed manually & tickets closed after 5 days of inactivity.

src/buttons/close-mod-ticket.ts

@@ -24,6 +24,7 @@ export default {
     await interaction.editReply({ content: 'Ticket closed.' });
 
     channel.edit({
+      name: `[CLOSED] ${channel.name}`,
       archived: true,
       locked: true
     });

src/buttons/close-ticket.ts

@@ -21,6 +21,7 @@ export default {
     await interaction.reply({ flags: [MessageFlags.Ephemeral], content: 'Ticket closed.' });
 
     channel.edit({
+      name: `[CLOSED] ${channel.name}`,
       archived: true,
       locked: true
     });