Create a maintenance script to populate the cu_useragent table and agent_id columns with values from the agent columns
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Authored By

	Dreamy_Jazz
	Mar 28 2024, 10:10 AM

Description

A maintenance script is needed that will populate the cu_useragent table and agent_id columns (e.g. cuc_agent_id, cupe_agent_id) with values from the agent columns (e.g. cuc_agent, cupe_agent).

This should be run after the creation of the cu_useragent and agent_id columns but before any removal of the agent columns in SchemaChangesHandler.php.

Acceptance criteria

Create the maintenance script
Add this maintenance script to SchemaChangesHandler.php so that it is run when running update.php

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