fix: make brands with the highest score appears first in descending order

Author: jiyongdong

src/vmaware.hpp

@@ -10906,7 +10906,7 @@ struct VM {
             const brand_element_t &a,
             const brand_element_t &b
         ) {
-            return a.second < b.second;
+            return a.second > b.second;
         });
 
         std::string ret_str = brands::NULL_BRAND;