style(app): 格式化并拆分长函数

lib/pages/discover/discover_logic.dart

@@ -134,7 +134,8 @@ class DiscoverLogic extends ChangeNotifier {
 
   void _scheduleSearch(String query) {
     final alreadyRequested = query == _lastRequestedQuery;
-    if (alreadyRequested && (searchLoading || searchResults.isNotEmpty || searchError != null)) {
+    if (alreadyRequested &&
+        (searchLoading || searchResults.isNotEmpty || searchError != null)) {
       return;
     }
     _lastRequestedQuery = query;