Move a lot of settings to Core::Settings.

Telegram/SourceFiles/data/data_folder.cpp

@@ -20,7 +20,6 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "main/main_account.h"
 //#include "storage/storage_feed_messages.h" // #feed
 #include "main/main_session.h"
-#include "main/main_session_settings.h"
 #include "mtproto/mtproto_config.h"
 #include "apiwrap.h"
 #include "mainwidget.h"
@@ -372,7 +371,7 @@ bool Folder::shouldBeInChatList() const {
 int Folder::chatListUnreadCount() const {
 	const auto state = chatListUnreadState();
 	return state.marks
-		+ (session().settings().countUnreadMessages()
+		+ (Core::App().settings().countUnreadMessages()
 			? state.messages
 			: state.chats);
 }