Use standard function composition for IN operator

[rkistner]

This allows some additional variations of the IN operator previously not supported:

-- parameter queries
SELECT WHERE request.jwt() ->> 'role' IN '["admin", "superuser"]'
SELECT WHERE 'read:users' IN (request.jwt() ->> 'permissions')
SELECT WHERE 'test' IN '["test"]'

-- data queries
SELECT * FROM assets WHERE assets.condition IN '["good","great"]'
SELECT * FROM assets WHERE 'green' IN assets.categories

This is in addition to the variations already supported before:

-- parameter queries
SELECT id FROM projects WHERE id IN request.jwt() -> 'projects'

-- data queries
SELECT * FROM assets WHERE assets.condition IN '["good","great"]'

[changeset-bot]

🦋 Changeset detected

Latest commit: 0e16938

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 4 packages

Name	Type
@powersync/service-sync-rules	Minor
@powersync/service-core	Patch
@powersync/service-image	Patch
test-client	Patch

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