fix: construct open options with defined properties only

[a11rew]

Overview

Closes #635

This PR resolves an issue where @powersync/op-sqlite would consistently override the default database location behaviour of the upstream op-sqlite package. This broke features like iOS App Groups, which depend on the upstream package reading externally defined values (in the Info.plist) to determine the correct database path.

Changes

To fix this, the openDatabase method has been updated to conditionally add the location property to the open() options only when a custom dbLocation is provided. When it is not provided, the property is omitted, allowing op-sqlite's default location logic to run as intended.

Removed the getDbLocation helper method as well because its logic was a duplication of the default platform-specific path resolution already handled by the upstream op-sqlite package and is no longer needed when @powersync/op-sqlite does not handle determining the default database path

[changeset-bot]

🦋 Changeset detected

Latest commit: 1c10750

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

This PR includes changesets to release 1 package

Name	Type
@powersync/op-sqlite	Patch

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[stevensJourney]

Thanks for this! The code looks good to me. We'll do some smoke testing on our side next week before merging.

[Chriztiaan]

Tested upgrades for both iOS and Android. Same path is used before and after the upgrade for both platforms (synced data to old version of app, disabled connect call, updated library, verified data is still being queries offline).