Log result failures with stack traces (#282)

This feature will improve the debugging experience for developers by
providing the information about *where exactly* a result has failed

---------

Signed-off-by: Octol1ttle <l1ttleofficial@outlook.com>

src/Commands/AboutCommandGroup.cs

@@ -73,7 +73,7 @@ public class AboutCommandGroup : CommandGroup
         var botResult = await _userApi.GetCurrentUserAsync(CancellationToken);
         if (!botResult.IsDefined(out var bot))
         {
-            return Result.FromError(botResult);
+            return ResultExtensions.FromError(botResult);
         }
 
         var cfg = await _guildData.GetSettings(guildId, CancellationToken);