MCO-1870: Split MachineConfigNodeUpdateFilesAndOS condition into MachineConfigNodeUpdateOS and MachineConfigNodeUpdateFiles

[isabella-janssen]

- What I did
This splits the singular existing MachineConfigNodeUpdateFilesAndOS MCN condition into MachineConfigNodeUpdateOS and MachineConfigNodeUpdateFiles for clusters where the ImageModeStatusReporting feature gate is enabled.

- How to verify it

1. Launch a 4.21 tech preview cluster with this PR included.
2. Apply a MachineConfig to trigger an update.
3. Track the MCN conditions to make sure the MachineConfigNodeUpdateOS or MachineConfigNodeUpdateFiles conditions update, according to the type of update triggered.

- Description for the changelog
MCO-1870: Split MachineConfigNodeUpdateFilesAndOS condition into MachineConfigNodeUpdateOS and MachineConfigNodeUpdateFiles

[openshift-ci-robot]

@isabella-janssen: This pull request references MCO-1870 which is a valid jira issue.

Warning: The referenced jira issue has an invalid target version for the target branch this PR targets: expected the story to target the "4.21.0" version, but no target version was set.

In response to this:

- What I did
This splits the singular existing MachineConfigNodeUpdateFilesAndOS MCN condition into MachineConfigNodeUpdateOS and MachineConfigNodeUpdateFiles for clusters where the ImageModeStatusReporting feature gate is enabled.

- How to verify it

1. Launch a 4.21 tech preview cluster with this PR included.
2. Apply a MachineConfig to trigger an update.
3. Track the MCN conditions to make sure the MachineConfigNodeUpdateOS or MachineConfigNodeUpdateFiles conditions update, according to the type of update triggered.

- Description for the changelog
MCO-1870: Split MachineConfigNodeUpdateFilesAndOS condition into MachineConfigNodeUpdateOS and MachineConfigNodeUpdateFiles

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[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: isabella-janssen

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