Option to always use old forward method

Telegram/Resources/langs/rewrites/en.json

@@ -253,5 +253,7 @@
 	"ktg_forward_grouping_mode_regroup": "Regroup media",
 	"ktg_forward_grouping_mode_regroup_desc": "Unquoted and uncaptioned only",
 	"ktg_forward_grouping_mode_separate": "Separate",
+	"ktg_forward_force_old_unquoted": "Old unquoted forward method",
+	"ktg_forward_force_old_unquoted_desc": "Old method copies messages content on client rather than server. Currently it's used only for \"Regroup media\" grouping mode, since new one doesn't support it. If for some reason unquoted forward doesn't work correctly, try switching this option.",
 	"dummy_last_string": ""
 }

Telegram/Resources/langs/rewrites/ru.json

@@ -271,5 +271,7 @@
 	"ktg_forward_grouping_mode_regroup": "Объединить медиа",
 	"ktg_forward_grouping_mode_regroup_desc": "Только без автора и без подписей",
 	"ktg_forward_grouping_mode_separate": "По отдельности",
+	"ktg_forward_force_old_unquoted": "Старый метод пересылки без автора",
+	"ktg_forward_force_old_unquoted_desc": "Старый метод копирует содержимое сообщений на клиенте вместо сервера. Сейчас он используется только в режиме группировки «Объединить медиа», так как новый его не поддерживает. Если по какой-то причине пересылка без автора не работает, попробуйте поменять эту настройку.",
 	"dummy_last_string": ""
 }

Telegram/SourceFiles/apiwrap.cpp

@@ -3632,7 +3632,8 @@ void ApiWrap::forwardMessages(
 		const SendAction &action,
 		FnMut<void()> &&successCallback) {
 	if (draft.options != Data::ForwardOptions::PreserveInfo
-		&& draft.groupOptions == Data::GroupingOptions::RegroupAll) {
+		&& (draft.groupOptions == Data::GroupingOptions::RegroupAll
+			|| cForwardForceOld())) {
 		forwardMessagesUnquoted(std::move(draft), action, std::move(successCallback));
 		return;
 	}

Telegram/SourceFiles/kotato/json_settings.cpp

@@ -394,6 +394,7 @@ QByteArray GenerateSettingsJson(bool areDefault = false) {
 	settings.insert(qsl("forward_remember_mode"), cForwardRememberMode());
 	settings.insert(qsl("forward_mode"), ForwardMode());
 	settings.insert(qsl("forward_grouping_mode"), ForwardGroupingMode());
+	settings.insert(qsl("forward_force_old_unquoted"), cForwardForceOld());
 
 	settingsFonts.insert(qsl("size"), cFontSize());
 	settingsFonts.insert(qsl("use_system_font"), cUseSystemFont());
@@ -988,6 +989,9 @@ bool Manager::readCustomFile() {
 			SetForwardGroupingMode(v);
 		}
 	});
+	ReadBoolOption(settings, "forward_force_old_unquoted", [&](auto v) {
+		cSetForwardForceOld(v);
+	});
 	return true;
 }
 

Telegram/SourceFiles/kotato/settings.cpp

@@ -292,3 +292,5 @@ int ForwardGroupingMode() {
 rpl::producer<int> ForwardGroupingModeChanges() {
 	return gForwardGroupingMode.changes();
 }
+
+bool gForwardForceOld = false;

Telegram/SourceFiles/kotato/settings.h

@@ -184,3 +184,5 @@ void SetForwardMode(int mode);
 void SetForwardGroupingMode(int mode);
 [[nodiscard]] int ForwardGroupingMode();
 [[nodiscard]] rpl::producer<int> ForwardGroupingModeChanges();
+
+DeclareSetting(bool, ForwardForceOld);

Telegram/SourceFiles/kotato/settings_menu.cpp

@@ -490,6 +490,12 @@ void SetupKotatoForward(not_null<Ui::VerticalLayout*> container) {
 			}, false));
 	});
 
+	SettingsMenuCSwitch(ktg_forward_force_old_unquoted, ForwardForceOld);
+
+	AddSkip(container);
+	AddDividerText(container, rktr("ktg_forward_force_old_unquoted_desc"));
+	AddSkip(container);
+
 	SettingsMenuCSwitch(ktg_settings_forward_retain_selection, ForwardRetainSelection);
 	SettingsMenuCSwitch(ktg_settings_forward_chat_on_click, ForwardChatOnClick);