Switched to net9 and finished event workflow

SpotiParty.Web/Services/EventsDashboardRepo.cs

@@ -29,6 +29,10 @@ public class EventsDashboardRepo(DatabaseContext context, DashboardAuthHandler h
     }
     
     public async Task CreateItem(Event item) {
+        var creator = await handler.GetCurrentUser();
+        context.Attach(creator!);
+        item.Host = creator!;
+        
         await context.Events.AddAsync(item);
         await context.SaveChangesAsync();
     }