Add dark mode support

src/commands/look.rs

@@ -56,7 +56,7 @@ impl Recordable for Options {
             }),
         };
 
-        let channel_id = if let Some(channel) = ctx.channel_id().to_channel_cached(&ctx.cache()) {
+        let channel_id = if let Some(channel) = ctx.cache().channel(ctx.channel_id()) {
             if Some(channel.guild_id) == ctx.guild_id() {
                 flags.channel_id.unwrap_or_else(|| ctx.channel_id())
             } else {
@@ -66,8 +66,7 @@ impl Recordable for Options {
             ctx.channel_id()
         };
 
-        let channel_name =
-            channel_id.to_channel_cached(&ctx.cache()).map(|channel| channel.name.clone());
+        let channel_name = ctx.cache().channel(channel_id).map(|channel| channel.name.clone());
 
         let reminders = Reminder::from_channel(&ctx.data().database, channel_id, &flags).await;