Only render the Audience Segmentation Setup CTA when Analytics is connected

[techanvil]

Feature Description

This is a small cleanup, as at present the Setup CTA won't actually be displayed when Analytics isn't connected due to its internal check for Analytics data availability on load. However it would be preferable to entirely avoid rendering the component when Analytics is not connected, thus avoiding redundant Analytics store lookups and so forth.

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Acceptance criteria

• The Audience Segmentation Setup CTA should only be rendered when the Analytics module is connected.

Implementation Brief

• [ ] Include a check for Analytics being connected in the conditions for rendering AudienceSegmentationSetupCTAWidget in DashboardMainApp.

https://github.com/google/site-kit-wp/blob/774ea23c2471170c96898f11c1909dedf6bc5db3/assets/js/components/DashboardMainApp.js#L262-L264

Test Coverage

• No new tests needed.

QA Brief

Changelog entry

[nfmohit]

IB ✅

[techanvil]

Moved to Backlog until we get all the P1 issues done and/or the initial release out.