[Jetpack Setup] Update magic link handling to work with the Connection API integration

[hichamboushaba]

Closes: #13666

Description

This PR fixes magic link handling to ensure we use the Connection API when it's available, the change means we will fetch the connection status when handling the magic link, instead of relying on the source argument that we were using before.

While this is now a bit more complicated, it also ensures the experience is more robust, as now we ensure we use the correct JetpackStatus at the time of the magic link handling, where before, there could be cases where the user modify their website before clicking on the magic link, and leading to issues.

Steps to reproduce

Perform TC6 from pe5sF9-42S-p2

Testing information

Confirm that the app uses the Connection API.

The tests that have been performed

^

• I have considered if this change warrants release notes and have added them to RELEASE-NOTES.txt if necessary. Use the "[Internal]" label for non-user-facing changes.

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[dangermattic]

	1 Error
🚫	This PR is tagged with status: do not merge label(s).

Generated by 🚫 Danger

[wpmobilebot]

📲 You can test the changes from this Pull Request in WooCommerce-Wear Android by scanning the QR code below to install the corresponding build.

	App Name	WooCommerce-Wear Android
	Platform	⌚️ Wear OS
	Flavor	Jalapeno
	Build Type	Debug
	Commit	1719817
	Direct Download	woocommerce-wear-prototype-build-pr13686-1719817.apk

[wpmobilebot]

📲 You can test the changes from this Pull Request in WooCommerce Android by scanning the QR code below to install the corresponding build.

	App Name	WooCommerce Android
	Platform	📱 Mobile
	Flavor	Jalapeno
	Build Type	Debug
	Commit	1719817
	Direct Download	woocommerce-prototype-build-pr13686-1719817.apk

[irfano]

LGTM! 👍🏻 It works with both the new login and Jetpack connection flow from Settings.