disallow ICA upgrades that change channel order + increase test coverage

[crodriguezvega]

Description

This PR:

• adds tests to increase coverage for upgrade callbacks in ICA.
• Adds check to disallow upgrades that change the channel ordering.

closes: #XXXX

Commit Message / Changelog Entry

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• Wrote unit and integration tests.
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[colin-axner]

ACK changes, but see testing suggestions