🐛 Fixes no api key hint

lib/screens/query.dart

@@ -26,7 +26,7 @@ class _QueryScreenState extends State<QueryScreen> {
     setState(() => _isLoading = true);
 
     final FoodDataController data = Get.find();
-    if (data.getApiKey() == null) {
+    if (data.getApiKey() == null || data.getApiKey()!.isEmpty) {
       setState(() => _hasApiKey = false);
       return;
     }
@@ -44,7 +44,11 @@ class _QueryScreenState extends State<QueryScreen> {
   void initState() {
     super.initState();
     final FoodDataController data = Get.find();
-    data.initialize(context);
+    data.initialize(context).then((_) {
+      setState(() {
+        _hasApiKey = data.getApiKey() != null && data.getApiKey()!.isNotEmpty;
+      });
+    });
   }
 
   @override

lib/translations/en_us.dart

@@ -49,5 +49,5 @@ const i18nEnglish = {
   'searchHint': 'Type keywords below to search',
   'searchNoKeyHint':
       'No API key, please first set up the API key in "Settings" > "Data Source"',
-  'searchResultHint': '@count records matched (up to the first 100)',
+  'searchResultHint': '@count records matched (showing 100)',
 };

lib/translations/zh_cn.dart

@@ -42,5 +42,5 @@ const i18nSimplifiedChinese = {
   'loading': '加载中',
   'searchHint': '在下方键入关键词来搜索',
   'searchNoKeyHint': '无 API 令牌，请先在「设置」>「数据源」设置 API 密钥',
-  'searchResultHint': '共命中 @count 条记录（截取前 100 条）',
+  'searchResultHint': '共命中 @count 条记录（显示前 100 条）',
 };