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