ci(storybook-visual): mask remote favicon icons and the desktop annotation race

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

tests/storybook-visual/storybook-visual.spec.ts

@@ -42,6 +42,13 @@ const MASKED_SELECTORS: Record<string, string> = {
   // paragraph that carries that highlight.
   "product-documents-annotations--integrated-mobile-bottom-sheet":
     'p:has-text("Use a sidecar anchor made from")',
+  // Same anchor-offset race as the mobile variant above.
+  "product-documents-annotations--integrated-desktop-open":
+    'p:has-text("Use a sidecar anchor made from")',
+  // Gallery app icons load live from the Google favicon service; paint timing
+  // races against the capture, so mask the remote favicon images.
+  "apps-connect-discoverability-pap-11091--gallery-link-affordance":
+    'img[src*="favicons"]',
   // The rotating-reasoning ticker demo animates by design and its interval
   // keeps advancing between capture attempts, so the two ticker rows never
   // settle. Mask just the ticker line containers.