Fix notifications disappearing too soon (Closes #1573) (#1576)

Daybreak.Core/Services/Notifications/NotificationService.cs

@@ -153,7 +153,7 @@ internal sealed class NotificationService(
             Title = title,
             Description = description,
             Metadata = metaData ?? string.Empty,
-            ExpirationTime = expirationTime ?? (DateTime.Now + TimeSpan.FromSeconds(5)),
+            ExpirationTime = expirationTime ?? (DateTime.UtcNow + TimeSpan.FromSeconds(5)),
             Dismissible = dismissible,
             Level = logLevel,
         };

Daybreak.Core/Views/Components/NotificationArea.razor

@@ -167,7 +167,7 @@
 
     private void ExtendNotification(NotificationWrapper notification)
     {
-        notification.ExpirationTime = DateTime.Now + NotificationExtension;
+        notification.ExpirationTime = DateTime.UtcNow + NotificationExtension;
     }
 
     private async Task OpenNofitication(NotificationWrapper notification)

Daybreak.Shared/Models/Notifications/Notification.cs

@@ -11,7 +11,7 @@ public class Notification : ICancellableNotification
     public string Description { get; init; } = string.Empty;
     public string Metadata { get; init; } = string.Empty;
     public DateTime ExpirationTime { get; init; }
-    public DateTime CreationTime { get; init; } = DateTime.Now;
+    public DateTime CreationTime { get; init; } = DateTime.UtcNow;
 
     public bool Dismissible { get; init; }
     public virtual Type? HandlingType { get; init; }