feat(EMI-1829): Track the tapped event of "View Work" and Update tracking for "Purchase" for Partner Offers

[narikazu]

This PR resolves EMI-1783

Description

This PR adds tracking for "View Work" and "Purchase" button in the activity panel
As well as updating the tracking for the BuyNow button

Screenshots

	Android	iOS
View Work
Purchase (Activity Panel)
Purchase (Artwork screen)

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

• add tracking to View Work and update Purchase button tracking for Partner Offers - kaz+sultan

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 (add tracking to View Work and update Purchase button tracking for Partner Offers - kaz+sultan)

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