docker_container: fix working_dir (#42857)

WorkingDir should be read from Config instead of HostConfig, check
https://docs.docker.com/engine/api/v1.37/#operation/ContainerInspect

lib/ansible/modules/cloud/docker/docker_container.py

@@ -1319,7 +1319,7 @@ class Container(DockerBaseClass):
             expected_binds=host_config.get('Binds'),
             volumes_from=host_config.get('VolumesFrom'),
             volume_driver=host_config.get('VolumeDriver'),
-            working_dir=host_config.get('WorkingDir')
+            working_dir=config.get('WorkingDir')
         )
 
         differences = []