Fix category highlighting and revert current_local_href breakage

- Update shared submodule: category selector uses slug comparison
  instead of current_local_href for active state
- Keep current_local_href commented out in category_context() to
  avoid overriding the base template value used by brand filters

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

bp/browse/services/nav.py

@@ -142,7 +142,7 @@ def category_context(top_slug: Optional[str], sub_slug: Optional[str], nav: Dict
         # list of subcategories, each with its own count
         "subs_local": _order_subs_selected_first(subs, sub_slug),
 
-        "current_local_href": current_local_href,
+        #"current_local_href": current_local_href,
     }
 
 def _apply_category_blacklist(nav: Dict[str, Dict]) -> Dict[str, Dict]: