What is the ruling on the right to dower if both spouses apostatize and one or both embrace Islam during the 'iddah?

Primary text

If the apostate spouse, or both spouses, embrace Islam during the 'iddah, and the apostasy originated from both parties, the wife is not entitled to *mahr* for that intercourse. This is because it is established that the marriage was never terminated, and he copulated with her while she was his wife.