Bypass self permission check for DMs

src/hooks.rs

@@ -59,6 +59,11 @@ async fn macro_check(ctx: Context<'_>) -> bool {
 async fn check_self_permissions(ctx: Context<'_>) -> bool {
     let user_id = ctx.serenity_context().cache.current_user().id;
 
+    // DM permissions are always fine
+    if ctx.guild_id().is_none() {
+        return true;
+    }
+
     let (view_channel, send_messages, embed_links, manage_webhooks) = ctx
         .channel_id()
         .to_channel(&ctx)