test(web): update blank session header snapshots

snapshots/web/lifecycle-chrome/hero.expected.md

@@ -22,6 +22,9 @@
 - button "Settings":
   - img
   - text: Settings
+- banner:
+  - button "Open right sidebar":
+    - img
 - text: Into the Unknown Preview
 - button "Choose workspace":
   - img

snapshots/web/lifecycle-chrome/plan-active.expected.md

@@ -22,6 +22,9 @@
 - button "Settings":
   - img
   - text: Settings
+- banner:
+  - button "Open right sidebar":
+    - img
 - text: Into the Unknown Preview
 - button "Choose workspace":
   - img