Automatically open sarc file entries if there is only a single file in them

File_Format_Library/FileFormats/Archives/SARC.cs

@@ -142,6 +142,9 @@ namespace FirstPlugin
                 var entry = SetupFileEntry(fileName, file.Value, Hash);
                 files.Add(entry);
                 FileLookup.Add(fileName, entry);
+
+                if (SzsFiles.Files.Count == 1)
+                    entry.OpenFileFormatOnLoad = true;
             }
 
             sarcData.Files.Clear();