N°8534 - Prevent Admin, SuperUser from loose of rights (#774)

* N°8534 - Prevent Admin & SuperUser from suicide
Prevent creation/modification of Administrator, SuperUser, REST User, combined with a Profile denying access to the backoffice

addons/userrights/userrightsprofile.class.inc.php

@@ -536,6 +536,7 @@ class UserRightsProfile extends UserRightsAddOnAPI
 		// Cache
 		$this->m_aObjectActionGrants = [];
 		$this->m_aAdministrators = null;
+		$this->aUsersProfilesList = [];
 	}
 
 	public function LoadCache()