Fixes #37496 - RHEL registration template priority

Changed priority on subman_org to use host_parm if present, then use katello generated org

app/views/unattended/provisioning_templates/snippet/kickstart_rhsm.erb

@@ -10,7 +10,7 @@ test_on:
 -%>
 <%
   subman_keys = host_param('kt_activation_keys') || host_param('activation_key')
-  subman_org = (plugin_present?('katello') && @host.rhsm_organization_label) || host_param('subscription_manager_org')
+  subman_org = host_param('subscription_manager_org') || (plugin_present?('katello') && @host.rhsm_organization_label)
   subman_registration = host_param_true?('subscription_manager') || subman_keys.present?
   subman_hostname = " --server-hostname #{@host.content_source.rhsm_url.host}" if (plugin_present?('katello') && @host.content_source)
   subman_rhsm_baseurl = " --rhsm-baseurl #{@host.content_source.pulp_content_url}" if (plugin_present?('katello') && @host.content_source)