Partial fix live refresh

Recreates the ExternalContentProvider factory when factories are
requested to be recreated, and also request recreate on game list
refresh.

Needs to be added to Android, also currently it's partially borked, see
my comment.

Signed-off-by: crueter <crueter@eden-emu.dev>

src/core/hle/service/filesystem/filesystem.cpp

@@ -689,6 +689,7 @@ void FileSystemController::CreateFactories(FileSys::VfsFilesystem& vfs, bool ove
     if (overwrite) {
         bis_factory = nullptr;
         sdmc_factory = nullptr;
+        external_provider = nullptr;
     }
 
     using EdenPath = Common::FS::EdenPath;

src/yuzu/game_list.cpp

@@ -32,6 +32,7 @@
 #include "yuzu/game_list_worker.h"
 #include "yuzu/main_window.h"
 #include "yuzu/util/controller_navigation.h"
+#include "qt_common/qt_common.h"
 
 GameListSearchField::KeyReleaseEater::KeyReleaseEater(GameList* gamelist_, QObject* parent)
     : QObject(parent), gamelist{gamelist_} {}
@@ -921,6 +922,12 @@ void GameList::RefreshGameDirectory()
 {
     if (!UISettings::values.game_dirs.empty() && current_worker != nullptr) {
         LOG_INFO(Frontend, "Change detected in the games directory. Reloading game list.");
+        QtCommon::system->GetFileSystemController().CreateFactories(*QtCommon::vfs);
+        // TODO: If you force reset metadata here, live updates to the external directories DO get tracked.
+        // This is not correct however. Game list metadata in general is kind of a mess, but ideally this isn't the
+        // behavior as-is
+
+        // QtCommon::Game::ResetMetadata(false);
         PopulateAsync(UISettings::values.game_dirs);
     }
 }

src/yuzu/main_window.cpp

@@ -3903,8 +3903,7 @@ void MainWindow::OnToggleStatusBar() {
     statusBar()->setVisible(ui->action_Show_Status_Bar->isChecked());
 }
 
-void MainWindow::OnGameListRefresh()
-{
+void MainWindow::OnGameListRefresh() {
     // Resets metadata cache and reloads
     QtCommon::Game::ResetMetadata(false);
     game_list->RefreshGameDirectory();