Replace ephemeral option with flag in replies.

src/client/commands/list.ts

@@ -14,7 +14,7 @@ export default {
         if(client.config.maintenanceMode){
             return interaction.reply({
                 content: client.messages.emojis["error"] + client.messages.maintenance,
-                ephemeral: true
+                flags: 'Ephemeral'
             });
         }
 
@@ -37,7 +37,7 @@ export default {
                 content: client.messages.emojis["error"] + client.messages.replace(client.messages.errorToGetPlaylist, {
                     "%client.config.supportGuild%": client.config.supportGuild
                 }),
-                ephemeral: true
+                flags: 'Ephemeral'
             });
         }
 
@@ -65,7 +65,7 @@ export default {
 
             interaction.reply({
                 embeds: [embed],
-                ephemeral: true
+                flags: 'Ephemeral'
             });
         }
     }