feat: search suggestion switch

lib/pages/setting/extra_setting.dart

@@ -5,6 +5,7 @@ import 'package:hive/hive.dart';
 import 'package:pilipala/models/common/dynamics_type.dart';
 import 'package:pilipala/models/common/reply_sort_type.dart';
 import 'package:pilipala/pages/setting/widgets/select_dialog.dart';
+import 'package:pilipala/utils/global_data_cache.dart';
 import 'package:pilipala/utils/storage.dart';
 
 import '../home/index.dart';
@@ -146,6 +147,15 @@ class _ExtraSettingState extends State<ExtraSetting> {
             setKey: SettingBoxKey.enableHotKey,
             defaultVal: true,
           ),
+          SetSwitchItem(
+            title: '展示搜索建议',
+            subTitle: '输入搜索内容时展示建议词',
+            setKey: SettingBoxKey.enableSearchSuggest,
+            defaultVal: true,
+            callFn: (val) {
+              GlobalDataCache().enableSearchSuggest = val;
+            },
+          ),
           SetSwitchItem(
             title: '搜索默认词',
             subTitle: '是否展示搜索框默认词',