Update contact messaging profile when opt-in toggles on

Unsynced opt-ins and phones make outreach miss language context and fail to reach contacts. Keep phone, language, and opt-in state current so coordinators can run targeted messaging sends same day.

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Overview

If contact opt-ins and phone numbers aren't synchronized, targeted outreach loses context and some messages never arrive. This flow keeps contact language and phone data current in the messaging platform so campaign managers can execute segmented sends the same day.