[Eagle Team] Introduce Edge-to-Edge support to pending Activities

[ThomazFB]

Part of #13040

Refer to p91TBi-cL3 for more context.

This task has the goal of adding Edge-to-Edge support for the activities described below following the Android 15 requirement changes

@ThomazFB

• .ui.prefs.UnifiedAboutScreenActivity
• .support.SSRActivity
• zendesk.support.guide.HelpCenterActivity

@atorresveiga

• org.wordpress.android.mediapicker.ui.MediaPickerActivity
• .support.help.HelpActivity
• com.google.mlkit.vision.codescanner.internal.GmsBarcodeScanningDelegateActivity
• Migrate to Material 3 bottom sheet component (AddressSelection) more context here -> Moved here

[dangermattic]

🚫 Please add a type label (e.g. type: enhancement) and a feature label (e.g. feature: stats) to this issue.

[kidinov]

@atorresveiga 👋

I am taking HelpActivity, as have capacity today if you don't mind

UPD

That's fine already, checking HelpCenterActivity

[kidinov]

@ThomazFB
I am looking into this: .support.SSRActivity

[kidinov]

@ThomazFB
I am looking into: .support. UnifiedAboutScreenActivity too!

[ThomazFB]

Thanks for taking all those Activities at once @kidinov. Much appreciated 🙇 The past two weeks had two releases and the project activities, so I still couldn't look into those activities yet. 😅 I'll proceed to review the PRs you opened today!