Fix result check syntax

[rabi]

Otherwise it fails with below in case the package is not available, i.e correct repos are not enabled.

ASK [osp.edpm.edpm_bootstrap : Deploy network-scripts required for deprecated network service] *** fatal: [edpm-compute-1]: FAILED! => {"msg": "The conditional check 'edpm_bootstrap_legacy_network_packages_result.rc == 0' failed. The error was: error while evaluating conditional (edpm_bootstrap_legacy_network_packages_result.rc == 0): 'dict object' has no attribute 'rc'. 'dict object' has no attribute 'rc'"}

jira: https://issues.redhat.com/browse/OSPRH-8911

[openshift-ci[bot]]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: fao89, rabi, rebtoor

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[rabi]

/cherrypick 18.0.0-proposed

[openshift-cherrypick-robot]

@rabi: new pull request created: #709

In response to [this](https://github.com/openstack-k8s-operators/edpm-ansible/pull/705#issuecomment-2249285181): >/cherrypick 18.0.0-proposed Instructions for interacting with me using PR comments are available [here](https://git.k8s.io/community/contributors/guide/pull-requests.md). If you have questions or suggestions related to my behavior, please file an issue against the [kubernetes-sigs/prow](https://github.com/kubernetes-sigs/prow/issues/new?title=Prow%20issue:) repository.