CMM-1072 add Freshly Pressed support

[adalpari]

Note: #22441 was closed and moved to this new PR. The content is the same.
Note 2: Claude code was run there.

Description

Re-introduces the "Freshly Pressed" feature to the Reader, allowing users to discover curated posts hand-picked by WordPress.com editors.

Implementation Details

Core Changes:

• ReaderTag.java: Added isFreshlyPressed() method and constants for the Freshly Pressed endpoint (/freshly-pressed)
• ReaderPost.java: Added editorial section parsing for Freshly Pressed posts, including filtering of mshots URLs (screenshot placeholders that shouldn't be used as featured images)
• LoadReaderItemsUseCase.kt: Adds Freshly Pressed tag to the ordered list, positioned after Discover
• ReaderTopBarMenuHelper.kt: Creates the Freshly Pressed menu item with star icon
• ReaderPostListFragment.kt: Added analytics tracking for Freshly Pressed loads
• AnalyticsTracker.java: Added READER_FRESHLY_PRESSED_LOADED stat

Testing instructions

1. Open Reader from the bottom navigation
2. Tap the dropdown menu (where it shows "Discover", "Subscriptions", etc.

• Verify "Freshly Pressed" appears right after "Discover" with a star icon

3. Select "Freshly Pressed"

• Verify curated posts are loaded with proper featured images

Screen_recording_20251218_120736.mp4

[dangermattic]

	1 Warning
⚠️	PR is not assigned to a milestone.

Generated by 🚫 Danger

[sonarqubecloud]

Quality Gate passed

Issues
1 New issue
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[wpmobilebot]

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

	App Name	Jetpack
	Flavor	Jalapeno
	Build Type	Debug
	Version	pr22441-f573379
	Commit	f573379
	Direct Download	jetpack-prototype-build-pr22441-f573379.apk

Note: Google Login is not supported on these builds.

[wpmobilebot]

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

	App Name	WordPress
	Flavor	Jalapeno
	Build Type	Debug
	Version	pr22441-f573379
	Commit	f573379
	Direct Download	wordpress-prototype-build-pr22441-f573379.apk

Note: Google Login is not supported on these builds.

[nbradbury]

Great job on this! Everything works as expected and code looks solid