fix: OPTIC-1087: Label Config Preview not handling editor lifecycle correctly for updates

[bmartel]

PR fulfills these requirements

• Commit message(s) and PR title follows the format [fix|feat|ci|chore|doc]: TICKET-ID: Short description of change made ex. fix: DEV-XXXX: Removed inconsistent code usage causing intermittent errors
• Tests for the changes have been added/updated (for bug fixes/features)
• Docs have been added/updated (for bug fixes/features)
• Best efforts were made to ensure docs/code are concise and coherent (checked for spelling/grammatical errors, commented out code, debug logs etc.)
• Self-reviewed and ran all changes on a local instance (for bug fixes/features)

Change has impacts in these area(s)

(check all that apply)

• Product design
• Backend (Database)
• Frontend

Describe the reason for change

When changing values in the Labelling Config via the live editor, the correct lifecycle methods were not firing on update and there would be a missed step to clear out shared stores on the current instance. It would then proceed to try and create another AnnotationStore again, and end up with a case where the shared store had a reference in the module scoped Stores and StoreIds Map(s), but the local instance of the mobx model did not, and would try to re-register the exact copy once again which was failing. Once failed, this error would propagate across navigations to the next time a task would attempt to be loaded and would fail to load a task with a Taxonomy tag, only clearing up on a refresh of the browser.

Which logical domain(s) does this change affect?

Config Preview, Taxonomy

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🚀	This description was created by Ellipsis for commit 0ae42ce

fix: OPTIC-1087: Correct Label Studio lifecycle in Config Preview

Summary:

Fixes lifecycle handling of Label Studio in Preview.jsx to prevent errors in the live editor.

Key points:

• Fix: Correct lifecycle handling of Label Studio in Preview.jsx.
• Behavior: Moved cleanup logic to a separate useEffect with an empty dependency array.
• Prevents Errors: Ensures proper destruction of Label Studio instance on component unmount.
• Frontend Impact: Affects live editor functionality in Config Preview.
• Issue: Prevents errors related to shared stores and task loading.

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[bmartel]

@ellipsis-dev review this

[ellipsis-dev]

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