Fix condition in forceNewIfNetworkIPNotUpdatableFunc

[modular-magician]

Resolves issue #16494

This function didn't work before.

d.HasChange will always return true in this condition because of this comparasion on the network field

https://www.googleapis.com/compute/v1/projects/iac-poc-krakow/global/networks/default
against
default

Release Note Template for Downstream PRs (will be copied)

compute: fixed force diff replacement logic for `network_ip` on resource `google_compute_instance`

Derived from GoogleCloudPlatform/magic-modules#11395

[github-actions]

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