feat(FN-4403): complete Step 2 — keep footer styling scope-agnostic

Fusion-Task-Id: FN-4403
Fusion-Task-Lineage: 9bbfbed9-c40b-4ad2-a739-c8d93f9f691f

packages/dashboard/app/components/ChatView.css

@@ -1536,7 +1536,7 @@
   color: var(--text-muted);
 }
 
-/* Sidebar footer contains the primary New Chat action on desktop and mobile. */
+/* Sidebar footer contains the primary chat-scope action on desktop and mobile. */
 .chat-sidebar-footer {
   display: block;
   padding: var(--space-sm) var(--space-md);
@@ -1604,7 +1604,7 @@
     will-change: transform;
   }
 
-  /* On mobile, the "New Chat" affordance uses a full-width pinned footer. */
+  /* On mobile, the active scope affordance uses a full-width pinned footer. */
   .chat-sidebar-footer {
     display: block;
     padding: var(--space-sm) var(--space-md);