sort tags by score

src/topics/tags.js

@@ -253,6 +253,9 @@ module.exports = function (Topics) {
 				topicTags.forEach(function (tags, index) {
 					if (Array.isArray(tags)) {
 						topicTags[index] = tags.map(function (tag) { return tagData[tag]; });
+						topicTags[index].sort(function (tag1, tag2) {
+							return tag2.score - tag1.score;
+						});
 					}
 				});