ios: fix closing chat info (#725)

apps/ios/Shared/ContentView.swift

@@ -69,6 +69,7 @@ struct ContentView: View {
     }
 
     private func justAuthenticate() {
+        userAuthorized = false
         authenticate(reason: NSLocalizedString("Unlock", comment: "authentication reason")) { laResult in
             switch (laResult) {
             case .success:

apps/ios/Shared/SimpleXApp.swift

@@ -49,10 +49,8 @@ struct SimpleXApp: App {
                             enteredBackground = ProcessInfo.processInfo.systemUptime
                         }
                         doAuthenticate = false
-                        userAuthorized = false
                     case .active:
                         doAuthenticate = authenticationExpired()
-                        if !doAuthenticate { userAuthorized = true }
                     default:
                         break
                     }