Small fixes and improvements:

- GuestDocument - At least one contact field is required.
- GuestDocument - List Page - Hide not useful columns: "version"
- StayEntry - Show stayEntry ID in UI msg after creation.
- StayEntry - Create Page - Time fields don't reset anymore when dates change.
- Show local times in UI instead of UTC times.
- Validators - Use expresions for dates so they are recalculated each time.

src/Somnia.GuestLog/Services/Entity/StayEntryEntityService.cs

@@ -67,7 +67,7 @@ public class StayEntryEntityService(
             await dbContext.SaveChangesAsync();
 
             logger.LogInformation("StayEntryService - CreateEntryAsync: StayEntry Created: '{id}'", dbStay.GetFullKey());
-            return Result.Ok();
+            return Result.OkWithContext(dbStay.GetFullKey());
         }
         catch (Exception ex)
         {