Construction of LRA recovery url does not consider variants in path registration

The LRA recovery URL creation on coordinator expects that the path to recovery coordinator is `"http://{host}:{port}/lra-recovery-coordinator"`.

But that's wrong. The recovery coordinator could be deployed at various context path. E.g. in WildFly this depends on the deployment name. If the `war` of the coordinator deployment is named "test" then it will be deployed at ``"http://{host}:{port}/test/lra-recovery-coordinator"`.