Pass Series Display Order information to SeasonInfo

MediaBrowser.Controller/Providers/SeasonInfo.cs

@@ -1,4 +1,5 @@
 #pragma warning disable CA2227, CS1591
+#nullable disable
 
 using System;
 using System.Collections.Generic;
@@ -13,5 +14,7 @@ namespace MediaBrowser.Controller.Providers
         }
 
         public Dictionary<string, string> SeriesProviderIds { get; set; }
+
+        public string SeriesDisplayOrder { get; set; }
     }
 }