fix: get_self_vc_id throws an error

The problem was that `ctx.cache.current_user()` uses an Arc and needs to get the value first before passing it to as a parameter. Assigning it to a variable first and referencing it, fixes the issue

src/util/user_util.rs

@@ -93,6 +93,7 @@ pub fn get_self_vc_id_cached(ctx: &Context, guild_id: &GuildId) -> Option<Channe
 }
 
 pub async fn get_self_vc_id(ctx: &Context, guild_id: &GuildId) -> Result<ChannelId, Error> {
-    let channel_id = get_vc_id(ctx, guild_id, &ctx.cache.current_user().id).await;
-    channel_id // This throws errors in main.rs for some reason
+    let user_id = ctx.cache.current_user().id;
+
+    get_vc_id(ctx, guild_id, &user_id).await
 }