test(web): refresh markdown image golden

apps/web/tests/snapshots/markdown-images/ui.expected.md

@@ -7,8 +7,9 @@
 - text: Show the Markdown image policy. {{clock}}
 - button "Copy":
   - img
-- button "Branch into a new conversation":
+- button "Branch into a new conversation" [disabled]:
   - img
+- text: Available only on the last message of a completed turn
 - heading "Markdown images" [level=2]
 - paragraph:
   - img "Remote test image"