isonflip should be false when flip error (#361)
isonflip should be false when flip error (#361)

* isonhold should be false when flip error

* currentsession should be this.ringsession in oncallring() func

* currentsession should be this.ringsession in oncallring() func

* change currentsession to activeSession

ringcentral/ringcentral-js-integration-commons,ringcentral/ringcentral-js-integration-commons,ringcentral/ringcentral-js-integration-commons