Fix auth.parameters() in sync streams

[simolus3]

With sync streams, we expose parameters as a pair of functions: .parameters() to return the raw JSON object as a string and .parameter(path) to extract values from that JSON object.

For JWT tokens, lookups with .parameter were broken because they only searched in a parameters sub-object of the JWT instead of the top-level structure. So if one does WHERE project_id = auth.parameter('project_id') for instance, the JWT would have to encode a {..., "parameters": {"project_id": "value"}} pair instead of being able to use project_id at the top-level.

This is inconsistent and not the behavior we want, this fixes that.

[changeset-bot]

🦋 Changeset detected

Latest commit: 0dcb848

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

This PR includes changesets to release 17 packages

Name	Type
@powersync/service-sync-rules	Patch
@powersync/service-jpgwire	Patch
@powersync/service-core-tests	Patch
@powersync/service-core	Patch
@powersync/lib-services-framework	Patch
@powersync/service-module-mongodb-storage	Patch
@powersync/service-module-mongodb	Patch
@powersync/service-module-mysql	Patch
@powersync/service-module-postgres-storage	Patch
@powersync/service-module-postgres	Patch
@powersync/lib-service-postgres	Patch
@powersync/service-module-core	Patch
@powersync/service-image	Patch
test-client	Patch
@powersync/service-rsocket-router	Patch
@powersync/lib-service-mongodb	Patch
@powersync/service-schema	Patch

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