Update set error state for CalculateEndpoints()

[sawsa307]

Remove set error state from calculateEndpoints and instead set it during syncInternal, otherwise, the error state will be overwritten and error state won't be found.

[k8s-ci-robot]

Hi @sawsa307. Thanks for your PR.

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[sawsa307]

/assign @swetharepakula

[swetharepakula]

/approve
/lgtm

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: sawsa307, swetharepakula

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[swetharepakula]

/ok-to-test