Correct exports; add some file serialization; fix service base object serialization

src/core/file_sys/savedata_archive.cpp

@@ -2,6 +2,7 @@
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.
 
+#include "common/archives.h"
 #include "common/file_util.h"
 #include "core/file_sys/disk_archive.h"
 #include "core/file_sys/errors.h"
@@ -33,6 +34,8 @@ public:
         static constexpr u64 IPCDelayNanoseconds(269082);
         return IPCDelayNanoseconds;
     }
+
+    SERIALIZE_DELAY_GENERATOR
 };
 
 ResultVal<std::unique_ptr<FileBackend>> SaveDataArchive::OpenFile(const Path& path,
@@ -353,3 +356,5 @@ u64 SaveDataArchive::GetFreeBytes() const {
 }
 
 } // namespace FileSys
+
+SERIALIZE_EXPORT_IMPL(FileSys::SaveDataDelayGenerator)