Site Monitoring: Implement WebKit-based Metrics view

[kean]

Reimplement Metrics view using WebKitViewController.

Out of all the WKWebView wrappers in the app, I found the WebKitViewController works best for our use case. There are also WPWebViewController and BlazeViewController, but the former missed custom user agent, and the latter is Blaze-specific, at least in the name.

To test:

• Uninstall the app or logout
• Log in and select an Atomic site
• Verify the Metrics are loading

Note: I noticed an (existing) performance issue with web views – will investigate it later if time allows.

Known Issues: No dark mode or dynamic type support.

Regression Notes

1. Potential unintended areas of impact: Site Monitoring
2. What I did to test those areas of impact (or what existing automated tests I relied on): manual
3. What automated tests I added (or what prevented me from doing so): n/a

PR submission checklist:

• I have completed the Regression Notes.
• I have considered adding unit tests for my changes.
• I have considered adding accessibility improvements for my changes.
• I have considered if this change warrants user-facing release notes and have added them to RELEASE-NOTES.txt if necessary.

UI Changes testing checklist:

• Portrait and landscape orientations.
• Light and dark modes.
• Fonts: Larger, smaller and bold text.
• High contrast.
• VoiceOver.
• Languages with large words or with letters/accents not frequently used in English.
• Right-to-left languages. (Even if translation isn’t complete, formatting should still respect the right-to-left layout)
• iPhone and iPad.
• Multi-tasking: Split view and Slide over. (iPad)

[wpmobilebot]

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

	App Name	WordPress Alpha
	Configuration	Release-Alpha
	Build Number	pr22499-b938aa7
	Version	24.1
	Bundle ID	org.wordpress.alpha
	Commit	b938aa7
	App Center Build	WPiOS - One-Offs #8629

Automatticians: You can use our internal self-serve MC tool to give yourself access to App Center if needed.

[wpmobilebot]

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

	App Name	Jetpack Alpha
	Configuration	Release-Alpha
	Build Number	pr22499-b938aa7
	Version	24.1
	Bundle ID	com.jetpack.alpha
	Commit	b938aa7
	App Center Build	jetpack-installable-builds #7656

Automatticians: You can use our internal self-serve MC tool to give yourself access to App Center if needed.

[momo-ozawa]

When I force quit then reopen the app, I have to login again to see the metrics webview.

Also, feel free to delete WebView.swift, as it's no longer needed. Thanks for implementing WebKitView 🙇‍♀️

[kean]

When I force quit then reopen the app, I have to login again to see the metrics webview.

Hmm, I couldn't reproduce it. Are there more steps? Are you sure you are not running using the proxy?

Also, feel free to delete WebView.swift, as it's no longer needed. Thanks for implementing WebKitView 🙇‍♀️

Done.

[momo-ozawa]

Turned off the proxy - that was it!

[peril-wordpress-mobile]

	Warnings
⚠️	This PR is assigned to a milestone which is closing in less than 4 days Please, make sure to get it merged by then or assign it to a later expiring milestone

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[dangermattic]

	1 Warning
⚠️	This PR is assigned to the milestone 24.2. This milestone is due in less than 4 days. Please make sure to get it merged by then or assign it to a milestone with a later deadline.

Generated by 🚫 Danger