Add propertyisDynamicChoices, https://github.com/surveyjs/editor/issues/418
Add propertyisDynamicChoices, https://github.com/surveyjs/editor/issues/418

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