post-setup install services failing
The folowing error raises when installing post-setup services

```
14:11:33 10/20/22 Traceback (most recent call last):
  File "/install/community-edition-setup/./setup.py", line 415, in do_installation
    install_services()
  File "/install/community-edition-setup/./setup.py", line 350, in install_services
    instance.start_installation()
  File "/install/community-edition-setup/setup_app/installers/base.py", line 50, in start_installation
    self.generate_configuration()
  File "/install/community-edition-setup/setup_app/installers/passport.py", line 139, in generate_configuration
    Config.passport_rs_client_jwks = self.gen_openid_data_store_keys(self.passport_rs_client_jks_fn, Config.passport_rs_client_jks_pass)
  File "/install/community-edition-setup/setup_app/utils/crypto64.py", line 262, in gen_openid_data_store_keys
    Config.non_setup_properties['key_gen_path'],
KeyError: 'key_gen_path'
```
diff --git a/setup.py b/setup.py
index a6571894..9f6e86e0 100755
--- a/setup.py
+++ b/setup.py
@@ -411,6 +411,8 @@ def do_installation():
                 oxauthInstaller.make_salt()
                 app_installations()
                 prepare_for_installation()
+        else:
+            gluuInstaller.determine_key_gen_path()
 
         install_services()
 
['setup.py']