fix(search): restore missing readHistory function declaration

The function body was left as a bare statement after setSearchType,
which made search.js fail to parse (Unexpected identifier 'window')
and broke the frontend search panel.

assets/js/core/search.js

@@ -91,6 +91,8 @@
       syncCategorySelectors(nextType, getDesktopCategory());
       requestSuggestions();
     }
+
+    function readHistory() {
       if (!historyEnabled) return [];
       if (aksrtData.isLoggedIn) return [];
       try {