smallrye-config: Consider logging a message when properties with same key and ordinal are present

managementDefault=Default value from default microprofile-config.properties

[standalone@localhost:9990 /] /subsystem=microprofile-config-smallrye/config-source=testdefault:read-resource
{
    "outcome" => "success",
    "result" => {
        "class" => undefined,
        "dir" => undefined,
        "ordinal" => 100,
        "properties" => {"managementDefault" => "Value from WildFly microprofile-config-smallrye config-source"}
    }
}