Description of problem:
Installer fails when disabling the Infoblox plugin but the plugin is eventually disabled

Version-Release number of selected component (if applicable):
Satellite stream snap 15

How reproducible:
always

Steps to Reproduce:
1. Enable Infoblox dhcp and dns plugin (https://access.redhat.com/documentation/en-us/red_hat_satellite/6.13/html/provisioning_hosts/using_infoblox_as_dhcp_and_dns_providers_provisioning)
2. Disable the dns and dhcp plugin
satellite-installer --no-enable-foreman-proxy-plugin-dhcp-infoblox --no-enable-foreman-proxy-plugin-dns-infoblox

Actual results:
Installer Fails but plugin is disabled.

1. satellite-installer --no-enable-foreman-proxy-plugin-dhcp-infoblox --no-enable-foreman-proxy-plugin-dns-infoblox
   2023-05-26 05:14:15 [NOTICE] [root] Loading installer configuration. This will take some time.
   2023-05-26 05:14:18 [NOTICE] [root] Running installer with log based terminal output at level NOTICE.
   2023-05-26 05:14:18 [NOTICE] [root] Use -l to set the terminal output log level to ERROR, WARN, NOTICE, INFO, or DEBUG. See --full-help for definitions.
   Package versions are locked. Continuing with unlock.
   2023-05-26 05:14:24 [NOTICE] [configure] Starting system configuration.
   2023-05-26 05:14:28 [ERROR ] [configure] Evaluation Error: Error while evaluating a Function Call, Class[Foreman_proxy::Plugin::Dns::Infoblox]:
   2023-05-26 05:14:28 [ERROR ] [configure] expects a value for parameter 'dns_server'
   2023-05-26 05:14:28 [ERROR ] [configure] expects a value for parameter 'username'
   2023-05-26 05:14:28 [ERROR ] [configure] expects a value for parameter 'password' (file: /usr/share/foreman-installer/modules/foreman_proxy/manifests/config.pp, line: 28, column: 5) on node satellite.example.com
   2023-05-26 05:14:28 [NOTICE] [configure] System configuration has finished.

It asks for dns_server,username and password but still fails after entering all of them

Expected results:
Installer should pass

Additional info: