Do not  hide previous button if  survey.maxTimeToFinish property is greater than 0.
Do not  hide previous button if  survey.maxTimeToFinish property is greater than 0.

andrewtelnov/surveyjs,dmitrykurmanov/surveyjs,surveyjs/surveyjs,surveyjs/surveyjs,dmitrykurmanov/surveyjs,andrewtelnov/surveyjs,surveyjs/surveyjs,dmitrykurmanov/surveyjs,dmitrykurmanov/surveyjs,surveyjs/surveyjs,andrewtelnov/surveyjs