fix(app): restore question pager segments (#37575)

Co-authored-by: Jay <53023+jayair@users.noreply.github.com>

packages/session-ui/src/components/message-part.css

@@ -891,7 +891,7 @@
       width: 16px;
       height: 2px;
       border-radius: 999px;
-      background-color: var(--icon-weak-base);
+      background-color: var(--v2-icon-icon-muted);
       transition: background-color 0.2s ease;
     }