Add sent/read checks for some service messages.

Telegram/SourceFiles/history/history_service.cpp

@@ -617,6 +617,11 @@ bool HistoryService::updateDependencyItem() {
 	return HistoryItem::updateDependencyItem();
 }
 
+bool HistoryService::needCheck() const {
+	return (GetDependentData() != nullptr)
+		|| Has<HistoryServiceSelfDestruct>();
+}
+
 QString HistoryService::inDialogsText(DrawInDialog way) const {
 	return textcmdLink(1, TextUtilities::Clean(notificationText()));
 }

Telegram/SourceFiles/history/history_service.h

@@ -95,9 +95,7 @@ public:
 
 	Storage::SharedMediaTypesMask sharedMediaTypes() const override;
 
-	bool needCheck() const override {
-		return false;
-	}
+	bool needCheck() const override;
 	bool serviceMsg() const override {
 		return true;
 	}