Revert back to ignoring FastLoad when reloading from operator menu

Many people (especially chart authors) expect that behaviour.

src/ScreenInstallOverlay.cpp

@@ -177,7 +177,7 @@ void ScreenInstallOverlay::Update( float fDeltaTime )
 		playAfterLaunchInfo.OverlayWith( pali2 );
 	}
 	if( playAfterLaunchInfo.bAnySongChanged )
-		SONGMAN->Reload();
+		SONGMAN->Reload( false );
 
 	if( !playAfterLaunchInfo.sSongDir.empty() )
 	{

src/ScreenReloadSongs.cpp

@@ -84,7 +84,7 @@ void ScreenReloadSongs::Update( float fDeltaTime )
 	}
 	else
 	{
-		SONGMAN->Reload( m_pLoadingWindow );
+		SONGMAN->Reload( false, m_pLoadingWindow );
 	}
 
 	SCREENMAN->PostMessageToTopScreen( SM_GoToNextScreen, 0 );

src/SongManager.cpp

@@ -117,7 +117,7 @@ static LocalizedString UNLOADING_SONGS ( "SongManager", "Unloading songs..." );
 static LocalizedString UNLOADING_COURSES ( "SongManager", "Unloading courses..." );
 static LocalizedString SANITY_CHECKING_GROUPS("SongManager", "Sanity checking groups...");
 
-void SongManager::Reload( LoadingWindow *ld )
+void SongManager::Reload( bool bAllowFastLoad, LoadingWindow *ld )
 {
 	FILEMAN->FlushDirCache( SpecialFiles::SONGS_DIR );
 	FILEMAN->FlushDirCache( SpecialFiles::COURSES_DIR );
@@ -172,6 +172,10 @@ void SongManager::Reload( LoadingWindow *ld )
 
 	FreeSongs();
 
+	const bool oldVal = PREFSMAN->m_bFastLoad;
+	if( !bAllowFastLoad )
+		PREFSMAN->m_bFastLoad.Set( false );
+
 	InitAll( ld, /*onlyAdditions=*/false );
 
 	// reload scores and unlocks afterward
@@ -203,6 +207,9 @@ void SongManager::Reload( LoadingWindow *ld )
 	}
 	UNLOCKMAN->Reload();
 
+	if( !bAllowFastLoad )
+		PREFSMAN->m_bFastLoad.Set( oldVal );
+
 	UpdatePreferredSort();
 }
 

src/SongManager.h

@@ -84,7 +84,7 @@ public:
 	 *        last invocation of this function
 	 */
 	void InitAll( LoadingWindow *ld, bool onlyAdditions );
-	void Reload( LoadingWindow *ld=nullptr );
+	void Reload( bool bAllowFastLoad, LoadingWindow *ld=nullptr );
 	void LoadAdditions( LoadingWindow *ld=nullptr );
 	void PreloadSongImages();