Fix the Weird auto-confirmation and cancellation

src/DeviceVerificationFlow.cpp

@@ -190,7 +190,6 @@ DeviceVerificationFlow::DeviceVerificationFlow(QObject *)
                         auto msg =
                           std::get<mtx::events::DeviceEvent<msgs::KeyVerificationDone>>(message);
                         if (msg.content.transaction_id == this->transaction_id) {
-                                this->startVerificationRequest();
                                 emit this->deviceVerified();
                         }
                 });

src/DeviceVerificationFlow.h

@@ -78,7 +78,7 @@ private:
 
         QTimer *timeout = nullptr;
         sas_ptr sas;
-        bool isMacVerified;
+        bool isMacVerified = false;
         std::string mac_method;
         std::string transaction_id;
         std::string commitment;