Fix: Correct my mistaken formatting

Author: SimplyJpk

DiscordBot/Extensions/UserExtensions.cs

@@ -20,26 +20,35 @@ public static bool HasRoleGroup(this IUser user, ulong roleId)
 
     public static bool IsNickAndNameEqual(this IUser user)
     {
-        return user is SocketGuildUser guildUser && string.Equals(guildUser.Nickname, guildUser.Username, StringComparison.CurrentCultureIgnoreCase);
+        var guildUser = user as SocketGuildUser;
+        if (guildUser == null)
+            return true;
+        return string.Equals(guildUser.Nickname, guildUser.Username, StringComparison.CurrentCultureIgnoreCase);
     }
 
     // Returns a simple string formatted as: "**user.Username** (aka **user.Nickname**)"
     // Nickname is only included if it's different from the username
     public static string UserNameReferenceForEmbed(this IUser user)
     {
-        var reference = $"**{user.Username}**";
+        var reference = $"**{user.GetNickName()}**!";
         if (!user.IsNickAndNameEqual())
-            reference += $" (aka **{user}**)";
+            reference += $" (aka **{user.Username}**)";
         return reference;
     }
 
     // Returns a simple string formatted as: "user.Username (aka user.Nickname)"
     // Nickname is only included if it's different from the username
     public static string UserNameReference(this IUser user)
     {
-        var reference = $"{user.Username}";
+        var reference = $"{user.GetNickName()}!";
         if (!user.IsNickAndNameEqual())
-            reference += $" (aka {user})";
+            reference += $" (aka {user.Username})";
         return reference;
     }
+    
+    // Returns the nickname of the user if the IUser can be cast to it exists, otherwise returns the username
+    public static string GetNickName(this IUser user)
+    {
+        return (user as SocketGuildUser)?.Nickname ?? user.Username;
+    }
 }