game_list_worker: Do not clear entries when > 1 gamedir is present

Previously the map of entries was being cleared while looping through each game directory, this resulted into all game directories except the last game dir to lose content metadata information. Fix this by clearing the entries only once.

src/yuzu/game_list_worker.cpp

@@ -350,6 +350,7 @@ void GameListWorker::ScanFileSystem(ScanTarget target, const std::string& dir_pa
 
 void GameListWorker::run() {
     stop_processing = false;
+    provider->ClearAllEntries();
 
     for (UISettings::GameDir& game_dir : game_dirs) {
         if (game_dir.path == QStringLiteral("SDMC")) {
@@ -368,7 +369,6 @@ void GameListWorker::run() {
             watch_list.append(game_dir.path);
             auto* const game_list_dir = new GameListDir(game_dir);
             emit DirEntryReady(game_list_dir);
-            provider->ClearAllEntries();
             ScanFileSystem(ScanTarget::FillManualContentProvider, game_dir.path.toStdString(),
                            game_dir.deep_scan ? 256 : 0, game_list_dir);
             ScanFileSystem(ScanTarget::PopulateGameList, game_dir.path.toStdString(),