T321061: Fix picture of the day widget

[l-olson1214]

Phabricator:
https://phabricator.wikimedia.org/T321061

Notes

Test Steps

1. Go into WidgetController and replace the fetch with this:

 var components = DateComponents()
        components.year = 2022
        components.month = 11
        components.day = 12
        let hardcodedDate = Calendar.current.date(from: components) ?? Date()
        fetcher.fetchFeaturedContent(forDate: hardcodedDate, siteURL: widgetCache.settings.siteURL, languageCode: widgetCache.settings.languageCode, languageVariantCode: widgetCache.settings.languageVariantCode) { result in

1b. Go into fetchFeaturedContent and set the useCache bool = false
2. Run on various simulators (running the WidgetsExtension)
3. On simulator, press and hold screen until everything jiggles
4. Press edit in upper lefthand corner
5. Add widget
6. Search for Wikipedia
7. Add POTD
8. Ensure it shows + resizes
9. Cry a little because we collectively went down a rabbit hole and it was one tiny change

Screenshots/Videos

Simulator.Screen.Recording.-.iPhone.17.Pro.Max.liquid.glass.-.2026-02-25.at.13.21.36.mov

[mazevedofs]

This PR is bringing all the Liquid Glass commits to Main.

If this will be a 7.9.2 version released before LG, please start a new branch from main and cherry-pick the widget commits into it.

[tonisevener]

@l-olson1214 The diff looks good but we would still be merging all the liquid glass commits into main (see large commit list), plus one final commit that reverts the liquid glass commits. Let's start a new branch / PR off of main and cherry-pick the widget fix.

[tonisevener]

Can you replace these 500 constants with ImageUtils.ImageWidth.w960.rawValue?

The enum will help us find and test this case in the future if these standards ever change again. The one-off literal integer is what caused me to miss it last time.

This will change the width / height to 960 - I tested on a couple of devices and it still seems to work. I noticed a quality degradation with 500. 960 is the closest standard size to what it was before (1000).

Everything else looks great!

This has been fixed.