Replace ScriptExtender saveGameAttachmentExtensions with savegameExtension.

src/gamebryo/gamebryosavegame.cpp

@@ -63,13 +63,6 @@ QStringList GamebryoSaveGame::allFiles() const
   ScriptExtender const *e = m_Game->feature<ScriptExtender>();
   if (e != nullptr) {
     QFileInfo file(m_FileName);
-    for (QString const &ext : e->saveGameAttachmentExtensions()) {
-      QFileInfo name(file.absoluteDir().absoluteFilePath(file.completeBaseName() + "." + ext));
-      if (name.exists()) {
-        res.push_back(name.absoluteFilePath());
-      }
-    }
-
     QFileInfo SEfile(file.absolutePath() + "/" + file.completeBaseName() + "." + m_Game->savegameSEExtension());
     if (SEfile.exists()) {
       res.push_back(SEfile.absoluteFilePath());

src/gamebryo/gamebryoscriptextender.cpp

@@ -26,6 +26,11 @@ QString GamebryoScriptExtender::loaderPath() const
   return m_Game->gameDirectory().absoluteFilePath(loaderName());
 }
 
+QString GamebryoScriptExtender::savegameExtension() const
+{
+  return m_Game->savegameSEExtension();
+}
+
 bool GamebryoScriptExtender::isInstalled() const
 {
   //A note: It is possibly also OK if xxse_steam_loader.dll exists, but it's

src/gamebryo/gamebryoscriptextender.h

@@ -16,6 +16,8 @@ public:
 
   virtual QString loaderPath() const override;
 
+  virtual QString savegameExtension() const override;
+
   virtual bool isInstalled() const override;
 
   virtual QString getExtenderVersion() const override;

src/gamebryo/gamegamebryo.h

@@ -32,6 +32,7 @@ class GameGamebryo : public MOBase::IPluginGame,
   friend class GamebryoScriptExtender;
   friend class GamebryoSaveGameInfo;
   friend class GamebryoSaveGameInfoWidget;
+  friend class GamebryoSaveGame;
 
   /**
    * Some Bethesda games do not have a valid file version but a valid product
@@ -86,8 +87,6 @@ public: // IPluginFileMapper interface
 
 protected:
 
-  friend class GamebryoSaveGame;
-
   // Retrieve the saves extension for the game.
   virtual QString savegameExtension() const = 0;
   virtual QString savegameSEExtension() const = 0;