chore(ONYX-150): use myCollectionConnection to fetch artworks count within my collection

[MounirDhahri]

This PR resolves ONYX-150

Description

This PR updates the logic in the artists preview bottom sheet to use myCollectionConnection to fetch artworks count within my collection

Screen.Recording.2023-07-20.at.17.30.13.mov

PR Checklist

• I have tested my changes on iOS and Android.
• I hid my changes behind a feature flag, or they don't need one.
• I have included screenshots or videos, or I have not changed the UI.
• I have added tests, or my changes don't require any.
• I added an app state migration, or my changes do not require one.
• I have documented any follow-up work that this PR will require, or it does not require any.
• I have added a changelog entry below, or my changes do not require one.

To the reviewers 👀

• I would like at least one of the reviewers to run this PR on the simulator or device.

Changelog updates

Changelog updates

Cross-platform user-facing changes

• use myCollectionConnection to fetch artworks count within my collection - mounir

iOS user-facing changes

Android user-facing changes

Dev changes

Need help with something? Have a look at our docs, or get in touch with us.

[ArtsyOpenSource]

This PR contains the following changes:

• Cross-platform user-facing changes (use myCollectionConnection to fetch artworks count within my collection - mounir)

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[olerichter00]

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