Add "Open in new window" to context menu.

Telegram/SourceFiles/dialogs/dialogs_inner_widget.cpp

@@ -60,6 +60,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "api/api_chat_filters.h"
 #include "base/qt/qt_common_adapters.h"
 #include "styles/style_dialogs.h"
+#include "styles/style_chat.h" // popupMenuExpandedSeparator
 #include "styles/style_chat_helpers.h"
 #include "styles/style_window.h"
 #include "styles/style_menu_icons.h"
@@ -70,13 +71,6 @@ namespace {
 constexpr auto kHashtagResultsLimit = 5;
 constexpr auto kStartReorderThreshold = 30;
 
-base::options::toggle CtrlClickChatNewWindow({
-	.id = kOptionCtrlClickChatNewWindow,
-	.name = "New chat window by Ctrl+Click",
-	.description = "Open chat in a new window by Ctrl+Click "
-	"(Cmd+Click on macOS).",
-});
-
 int FixedOnTopDialogsCount(not_null<Dialogs::IndexedList*> list) {
 	auto result = 0;
 	for (const auto &row : *list) {
@@ -105,8 +99,6 @@ int PinnedDialogsCount(
 
 } // namespace
 
-const char kOptionCtrlClickChatNewWindow[] = "ctrl-click-chat-new-window";
-
 struct InnerWidget::CollapsedRow {
 	CollapsedRow(Data::Folder *folder) : folder(folder) {
 	}
@@ -2206,7 +2198,7 @@ void InnerWidget::contextMenuEvent(QContextMenuEvent *e) {
 
 	_menu = base::make_unique_q<Ui::PopupMenu>(
 		this,
-		row.fullId ? st::defaultPopupMenu : st::popupMenuWithIcons);
+		row.fullId ? st::defaultPopupMenu : st::popupMenuExpandedSeparator);
 	if (row.fullId) {
 		if (session().supportMode()) {
 			fillSupportSearchMenu(_menu.get());
@@ -3310,9 +3302,7 @@ bool InnerWidget::chooseRow(
 	const auto modifyChosenRow = [](
 			ChosenRow row,
 			Qt::KeyboardModifiers modifiers) {
-		if (CtrlClickChatNewWindow.value()) {
-			row.newWindow = (modifiers & Qt::ControlModifier);
-		}
+		row.newWindow = (modifiers & Qt::ControlModifier);
 		return row;
 	};
 	auto chosen = modifyChosenRow(computeChosenRow(), modifiers);