[LBSE] Fix svg/zoom/page/zoom-background-images.html

[rwlbuis]

2f8eecb

[LBSE] Fix svg/zoom/page/zoom-background-images.html
https://bugs.webkit.org/show_bug.cgi?id=311636

Reviewed by Nikolas Zimmermann.

Rebaseline this test which now matches legacy SVG and Chrome (the old gradient expectation was the one that
caused the failure).

* LayoutTests/platform/mac-tahoe-wk2-lbse-text/svg/zoom/page/zoom-background-images-expected.png:

Canonical link: https://commits.webkit.org/310905@main

[webkit-early-warning-system]

EWS run on current version of this PR (hash 265f5e2)

Details

Misc	iOS, visionOS, tvOS & watchOS	macOS	Linux	Windows
✅ 🧪 style	✅ 🛠 ios	✅ 🛠 mac	✅ 🛠 wpe	✅ 🛠 win
	✅ 🛠 ios-sim	✅ 🛠 mac-AS-debug	✅ 🧪 wpe-wk2	✅ 🧪 win-tests
✅ 🧪 webkitperl	✅ 🧪 ios-wk2	✅ 🧪 api-mac	✅ 🧪 api-wpe
	✅ 🧪 ios-wk2-wpt	✅ 🧪 api-mac-debug	✅ 🛠 gtk3-libwebrtc
	✅ 🧪 api-ios	✅ 🧪 mac-wk1	✅ 🛠 gtk
		✅ 🧪 mac-wk2	✅ 🧪 gtk-wk2
	✅ 🛠 vision	✅ 🧪 mac-AS-debug-wk2	✅ 🧪 api-gtk
🛠 🧪 merge	✅ 🛠 vision-sim	✅ 🧪 mac-wk2-stress	✅ 🛠 playstation
	✅ 🧪 vision-wk2	✅ 🧪 mac-intel-wk2
	✅ 🛠 tv
	✅ 🛠 tv-sim
	✅ 🛠 watch
	✅ 🛠 watch-sim

[webkit-commit-queue]

Committed 310905@main (2f8eecb): https://commits.webkit.org/310905@main

Reviewed commits have been landed. Closing PR #62197 and removing active labels.