Disconnect Twitch chat and event connection on plugin stop

plugins/twitch/event-sub.cpp

@@ -3,6 +3,7 @@
 #include "twitch-helpers.hpp"
 
 #include <log-helper.hpp>
+#include <plugin-state-helpers.hpp>
 
 #ifdef VERIFY_TIMESTAMPS
 #include "date/tz.h"
@@ -71,6 +72,22 @@ void EventSub::UnregisterInstance()
 	_instances.erase(it, _instances.end());
 }
 
+void EventSub::DisconnectAll()
+{
+	std::lock_guard<std::mutex> lock(_instancesMtx);
+	for (auto *instance : _instances) {
+		instance->Disconnect();
+	}
+}
+
+static bool setupEventSubSupport()
+{
+	AddStopStep(EventSub::DisconnectAll);
+	return true;
+}
+
+static bool _eventSubSetup = setupEventSubSupport();
+
 void EventSub::ConnectThread()
 {
 	_client->reset();