Refactor passRaw

Problem/Motivation

Follow up from 📌 Fix PHPStan L2 error "Binary operation "[something]" between Foo and Bar results in an error." RTBC from @longwave "passRaw is a hack that is only used in tests, wonder if we should refactor it to be consistently defined somehow?"

Steps to reproduce

N/A

Proposed resolution

TBD

Remaining tasks

Determine how it can be refactored
Update summary
Review

User interface changes

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Introduced terminology

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API changes

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Data model changes

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Release notes snippet

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