change task launch mode for Launch activity fix crash, when user open content by link (#Apps-1119)
change task launch mode for Launch activity fix crash, when user open content by link (#Apps-1119)

StepicOrg/stepic-android,StepicOrg/stepic-android,StepicOrg/stepik-android,StepicOrg/stepic-android,StepicOrg/stepik-android,StepicOrg/stepik-android