BGTaskSchedulerPermittedIdentifiers chat.simplex.app.receive CFBundleURLTypes CFBundleTypeRole Editor CFBundleURLName chat.simplex.app CFBundleURLSchemes simplex ITSAppUsesNonExemptEncryption UIBackgroundModes audio fetch remote-notification voip CFBundleIcons CFBundlePrimaryIcon CFBundleIconFiles AppIcon UIPrerenderedIcon CFBundleAlternateIcons DarkAppIcon CFBundleIconFiles DarkAppIcon UIPrerenderedIcon