GuestLog - Moved Enums

- Enums moved to Enum folder (by type).
- ResultCode class changed to enum to ensure type safety in results.

src/Somnia.GuestLog/Services/UserMessageService.cs

@@ -1,9 +1,9 @@
 using Microsoft.Extensions.Localization;
 using MudBlazor;
-using Somnia.GuestLog.Models;
+using Somnia.GuestLog.Enums.Services;
+using Somnia.GuestLog.Enums.UI;
 using Somnia.GuestLog.Models.DTOs;
 using Somnia.GuestLog.Resources;
-using MessageKind = Somnia.GuestLog.Services.IUserMessageService.MessageKind;
 
 namespace Somnia.GuestLog.Services;
 
@@ -59,9 +59,9 @@ public class UserMessageService(
         snackbar.Add(message: msg, severity: GetSnackbarSeveryForMessageKind(kind));
     }
 
-    private string GetMsgForResultCode(string resultCode)
+    private string GetMsgForResultCode(ResultCode resultCode)
     {
-        return _localizer[$"resultCode.{resultCode}"];
+        return _localizer[$"resultCode.{Enum.GetName(resultCode)}"];
     }
 
     private static string GetFormatedMessage(string template, params object[]? parameters)