Fix #1267.

Turned out to be considerably easier to reproduce than I thought it'd be.

stayingonbrowser/Staying On The Phone Browser

@@ -1,5 +1,5 @@
 [Adblock Plus 3.13]
-! Version: 30May2026v1
+! Version: 03July2026v1
 ! Title: 📱 Staying On The Phone Browser
 ! Expires: 10 days
 ! Description: Created as a proof of concept, and for the benefit of people who really like their phone's web browsers and who are less keen on using various apps.
@@ -472,6 +472,7 @@ foodora.*##.bds-c-sticky-banner
 novosti.rs##.mobile-app
 threads.com###has-finished-comet-page + div[class^=__fb-][class*="-mode "]
 zalando.*##div[style="display:contents"]:not([data-trckng-component]):has(> div[style="display:contents"] > div[style^="min-height:"]:last-child:only-of-type)
+duck.ai###app form[data-chat-footer] > div:has(a:is([href*="://play.google.com/"],[href*="://apps.apple.com/"]))
 
 ! https://github.com/DandelionSprout/adfilt/issues/1047
 @@/jquery.smartbanner.js^