[Postgres] Fix custom type parsing for initial snapshot queries

[rkistner]

Support for parsing custom Postgres types into JSON was added in #339 (1.15.3). However, there was an issue that caused it to only decode the types correctly for streaming replication - initial replication still used the raw (1, 2)-type values.

This did not affect the timestamp format options also added around the same time, only custom types, enums, etc.

This fixes the issue, and adds a test. We use the type info returned with the results of the snapshot query - no need to fetch types from the underlying table.

This also cleans up code to remove a CustomTypeRegistry parameter passed through a couple of layers - it was never used.

[changeset-bot]

🦋 Changeset detected

Latest commit: 1873de1

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-module-postgres	Patch
@powersync/service-sync-rules	Patch
@powersync/service-core	Patch
@powersync/service-image	Patch
@powersync/service-schema	Patch
@powersync/service-jpgwire	Patch
@powersync/service-core-tests	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-core	Patch
test-client	Patch
@powersync/lib-service-postgres	Patch
@powersync/service-rsocket-router	Patch
@powersync/lib-service-mongodb	Patch

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[stevensJourney]

Looks good to me :)