[release-17.0] VReplication Workflow: set state correctly when restarting workflow streams in the copy phase (#16217)

[vitess-bot]

Description

This is a backport of #16217

[vitess-bot]

Hello @rohit-nayak-ps, there are conflicts in this backport.

Please address them in order to merge this Pull Request. You can execute the snippet below to reset your branch and resolve the conflict manually.

Make sure you replace origin by the name of the vitessio/vitess remote

git fetch --all
gh pr checkout 16220 -R vitessio/vitess
git reset --hard origin/release-17.0
git cherry-pick -m 1 4a7ad80a3eeb09ea5b9674e94673f5a974a48e7f

[vitess-bot]

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[rohit-nayak-ps]

v17 did not support state updates in the vreplication workflow update RPC. So need for a backport and hence closing.