Fix typing / send action updates handling.

Telegram/SourceFiles/base/flat_map.h

@@ -686,6 +686,40 @@ public:
 		}
 		return { where, false };
 	}
+	std::pair<iterator, bool> insert_or_assign(
+			const Key &key,
+			const Type &value) {
+		if (this->empty() || this->compare()(key, this->front().first)) {
+			this->impl().emplace_front(key, value);
+			return { this->begin(), true };
+		} else if (this->compare()(this->back().first, key)) {
+			this->impl().emplace_back(key, value);
+			return { this->end() - 1, true };
+		}
+		auto where = this->getLowerBound(key);
+		if (this->compare()(key, where->first)) {
+			return { this->impl().insert(where, value_type(key, value)), true };
+		}
+		where->second = value;
+		return { where, false };
+	}
+	std::pair<iterator, bool> insert_or_assign(
+			const Key &key,
+			Type &&value) {
+		if (this->empty() || this->compare()(key, this->front().first)) {
+			this->impl().emplace_front(key, std::move(value));
+			return { this->begin(), true };
+		} else if (this->compare()(this->back().first, key)) {
+			this->impl().emplace_back(key, std::move(value));
+			return { this->end() - 1, true };
+		}
+		auto where = this->getLowerBound(key);
+		if (this->compare()(key, where->first)) {
+			return { this->impl().insert(where, value_type(key, std::move(value))), true };
+		}
+		where->second = std::move(value);
+		return { where, false };
+	}
 	template <typename... Args>
 	std::pair<iterator, bool> emplace(
 			const Key &key,
@@ -695,6 +729,14 @@ public:
 			Type(std::forward<Args>(args)...)));
 	}
 	template <typename... Args>
+	std::pair<iterator, bool> emplace_or_assign(
+			const Key &key,
+			Args&&... args) {
+		return this->insert_or_assign(
+			key,
+			Type(std::forward<Args>(args)...));
+	}
+	template <typename... Args>
 	std::pair<iterator, bool> try_emplace(
 			const Key &key,
 			Args&&... args) {

Telegram/SourceFiles/history/history.cpp

@@ -358,10 +358,10 @@ bool History::updateSendActionNeedsAnimating(
 			Type type,
 			crl::time duration,
 			int progress = 0) {
-		_sendActions.emplace(user, type, now + duration, progress);
+		_sendActions.emplace_or_assign(user, type, now + duration, progress);
 	};
 	action.match([&](const MTPDsendMessageTypingAction &) {
-		_typing.emplace(user, now + kStatusShowClientsideTyping);
+		_typing.emplace_or_assign(user, now + kStatusShowClientsideTyping);
 	}, [&](const MTPDsendMessageRecordVideoAction &) {
 		emplaceAction(Type::RecordVideo, kStatusShowClientsideRecordVideo);
 	}, [&](const MTPDsendMessageRecordAudioAction &) {