StudentPicker - padá na NullReferenceException

Web.Client/Components/Pickers/StudentPicker.cs

@@ -24,7 +24,7 @@ private async Task<AutosuggestDataProviderResult<StudentReferenceDto>> GetSugges
 			Data = data
 				.Where(c => !c.IsDeleted)
 				.Where(c => RegexPatterns.IsWildcardMatch("*" + request.UserInput + "*", c.Name))
-				.OrderBy(c => c.LastName.StartsWith(request.UserInput, StringComparison.OrdinalIgnoreCase) ? 0 : 1)
+				.OrderBy(c => (c.LastName?.StartsWith(request.UserInput, StringComparison.OrdinalIgnoreCase) ?? false) ? 0 : 1)
 				.ThenBy(c => c.LastName)
 				.ThenBy(c => c.Name)
 				.Take(5)