Add ordering to disc or book type

CHANGELIST.md

@@ -83,6 +83,7 @@
 - UMDs are Sony discs
 - Strip colons from Redumper disc key
 - Use `HashSet` for disc or book type
+- Add ordering to disc or book type
 
 ### 2.5 (2023-03-12)
 

MPF.Modules/DiscImageCreator/Parameters.cs

@@ -2675,7 +2675,7 @@ namespace MPF.Modules.DiscImageCreator
 
                     // Create the output string
                     if (discTypeOrBookTypeSet.Any())
-                        discTypeOrBookType = string.Join(", ", discTypeOrBookTypeSet);
+                        discTypeOrBookType = string.Join(", ", discTypeOrBookTypeSet.OrderBy(s => s));
 
                     return true;
                 }