Fix the regression after SignInClient changes (#901)

In order not to cause a deadlock when the sign-in happens from another
task within the task scheduler with one thread.

Resolves: OLPEDGE-2032

Signed-off-by: Mykhailo Kuchma <ext-mykhailo.kuchma@here.com>

Author: mykhailo-kuchma

olp-cpp-sdk-authentication/src/TokenEndpoint.cpp

@@ -39,7 +39,9 @@ static constexpr auto kLogTag = "TokenEndpoint";
 AuthenticationSettings ConvertSettings(Settings settings) {
   AuthenticationSettings auth_settings;
   auth_settings.network_proxy_settings = settings.network_proxy_settings;
-  auth_settings.task_scheduler = settings.task_scheduler;
+  // Ignore task scheduler. It can cause a dealock on the sign in when used from
+  // another task within `TaskScheduler` with 1 thread.
+  //auth_settings.task_scheduler = settings.task_scheduler;
   auth_settings.network_request_handler = settings.network_request_handler;
   auth_settings.token_endpoint_url = settings.token_endpoint_url;
   auth_settings.use_system_time = settings.use_system_time;