Potentially fixes APPS-1180 - Dispatching progress view UI changes asynchronously onto main thread.
Potentially fixes APPS-1180 - Dispatching progress view UI changes asynchronously onto main thread.

ropik/Atlas-Messenger-iOS,InterfaceInc/Atlas-Messenger-iOS,layerhq/Atlas-Messenger-iOS,Eynaliyev/Atlas-Messenger-iOS,InterfaceInc/Atlas-Messenger-iOS,layerhq/Atlas-Messenger-iOS,InterfaceInc/Atlas-Messenger-iOS,ropik/Atlas-Messenger-iOS,Eynaliyev/Atlas-Messenger-iOS