opt: nav/searchbar stream

Closes #648

Signed-off-by: bggRGjQaUbCoE <githubaccount56556@proton.me>

lib/pages/dynamics/detail/view.dart

@@ -294,7 +294,7 @@ class _DynamicDetailPageState extends State<DynamicDetailPage>
       resizeToAvoidBottomInset: false,
       appBar: AppBar(
         title: StreamBuilder(
-          stream: _titleStreamC.stream,
+          stream: _titleStreamC.stream.distinct(),
           initialData: false,
           builder: (context, AsyncSnapshot snapshot) {
             return AnimatedOpacity(

lib/pages/dynamics/tab/view.dart

@@ -3,6 +3,7 @@ import 'dart:async';
 import 'package:PiliPlus/common/widgets/refresh_indicator.dart';
 import 'package:PiliPlus/http/loading_state.dart';
 import 'package:PiliPlus/pages/common/common_page.dart';
+import 'package:PiliPlus/pages/main/controller.dart';
 import 'package:PiliPlus/utils/storage.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
@@ -31,6 +32,7 @@ class _DynamicsTabPageState
     with AutomaticKeepAliveClientMixin {
   late bool dynamicsWaterfallFlow;
   StreamSubscription? _listener;
+  late final MainController _mainController = Get.find<MainController>();
 
   DynamicsController dynamicsController = Get.put(DynamicsController());
   @override
@@ -43,6 +45,14 @@ class _DynamicsTabPageState
   @override
   bool get wantKeepAlive => true;
 
+  @override
+  void listener() {
+    if (_mainController.selectedIndex.value == 0) {
+      return;
+    }
+    super.listener();
+  }
+
   @override
   void initState() {
     super.initState();