Compress fixed SS (#957)

* Compress fixed SS

* Update tests

CHANGELIST.md

@@ -69,6 +69,7 @@
 - Miscellaneous formatting cleanup
 - Fix XGD3 SS validity check
 - Update Portuguese translation
+- Compress fixed SS
 
 ### 3.6.0 (2025-11-28)
 

MPF.Processors.Test/RedumperTests.cs

@@ -114,7 +114,7 @@ namespace MPF.Processors.Test
             var processor = new Redumper(RedumpSystem.IBMPCcompatible);
 
             var actual = processor.GetOutputFiles(MediaType.DVD, outputDirectory, outputFilename);
-            Assert.Equal(19, actual.Count);
+            Assert.Equal(20, actual.Count);
         }
 
         [Fact]

MPF.Processors/Redumper.cs

@@ -681,6 +681,9 @@ namespace MPF.Processors
                         new($"{outputFilename}.ss", OutputFileFlags.Binary
                             | OutputFileFlags.Zippable,
                             "ss"),
+                        new($"{outputFilename}.fixed.ss", OutputFileFlags.Binary
+                            | OutputFileFlags.Zippable,
+                            "ss_fixed"),
                         // ssv1 and ssv2 extensions are obsolete
                         new($"{outputFilename}.ssv1", OutputFileFlags.Binary
                             | OutputFileFlags.Zippable,