Merge branch 'fixPotentialRacingCondition' into 'master'

race condition new domain

See merge request chat/RocketChatMobileEngine!62

rocketchat.cpp

@@ -269,6 +269,7 @@ void RocketChat::setUserDefaultStatus( int pStatus )
 bool RocketChat::newServerByDomain( const QString &domain, bool pUnsecure = false )
 {
     newServerMutex.lock();
+    mServerStatus = false;
     mDdpConnectionEstablished = false;
 
     emit offline();