RH-SSO 7.6.6 RPM installation fails

Issue

• RH-SSO libraries are missing in RPM Build: rh-sso7-keycloak-server-18.0.11-2.redhat_00003.1.el8sso.noarch.rpm.
• RH-SSO server fails to start with the following error:

WARN  [org.jboss.modules.define] Failed to define class org.keycloak.subsystem.server.extension.KeycloakExtension in Module "org.keycloak.keycloak-wildfly-server-subsystem" version 18.0.11.redhat-00003 from local module loader @6bca7e0d (finder: local module finder @2631f68c (roots: /opt/rh/rh-sso7/root/usr/share/keycloak/modules,/opt/rh/rh-sso7/root/usr/share/keycloak/modules/system/layers/keycloak,/opt/rh/rh-sso7/root/usr/share/keycloak/modules/system/layers/base)): org.jboss.modules.ModuleLoadError: org.keycloak.keycloak-services
    at org.jboss.modules.Module.addPaths(Module.java:1289)
    at org.jboss.modules.Module.link(Module.java:1645)
    at org.jboss.modules.Module.getPaths(Module.java:1606)
    at org.jboss.modules.Module.getPathsUnchecked(Module.java:1629)
    at org.jboss.modules.Module.loadModuleClass(Module.java:749)
    at org.jboss.modules.ModuleClassLoader.findClass(ModuleClassLoader.java:247)
    ...