Fix search delay runtime change issue

Author: Jack251970

Flow.Launcher.Infrastructure/UserSettings/Settings.cs

@@ -330,7 +330,17 @@ public bool SearchQueryResultsWithDelay
                 OnPropertyChanged();
             }
         }
-        public int SearchDelay { get; set; } = 120;
+
+        int searchDelay { get; set; } = 120;
+        public int SearchDelay
+        {
+            get => searchDelay;
+            set
+            {
+                searchDelay = value;
+                OnPropertyChanged();
+            }
+        }
 
         [JsonIgnore]
         public List<int> SearchDelayRange { get; } = new()

Flow.Launcher/MainWindow.xaml.cs

@@ -123,7 +123,7 @@ private async void OnLoaded(object sender, RoutedEventArgs _)
             }
 
             // Initialize search delay
-            SetupSearchTextBoxReactiveness(_settings.SearchQueryResultsWithDelay);
+            SetupSearchTextBoxReactiveness(_settings.SearchQueryResultsWithDelay, _settings.SearchDelay);
 
             // Initialize place holder
             SetupPlaceholderText();
@@ -268,7 +268,13 @@ private async void OnLoaded(object sender, RoutedEventArgs _)
                         SetupResizeMode();
                         break;
                     case nameof(Settings.SearchQueryResultsWithDelay):
-                        SetupSearchTextBoxReactiveness(_settings.SearchQueryResultsWithDelay);
+                        SetupSearchTextBoxReactiveness(_settings.SearchQueryResultsWithDelay, _settings.SearchDelay);
+                        break;
+                    case nameof(Settings.SearchDelay):
+                        if (_settings.SearchQueryResultsWithDelay)
+                        {
+                            SetupSearchTextBoxReactiveness(_settings.SearchQueryResultsWithDelay, _settings.SearchDelay);
+                        }
                         break;
                 }
             };
@@ -1122,7 +1128,7 @@ private void SetupResizeMode()
 
         // Edited from: https://github.com/microsoft/PowerToys
 
-        private void SetupSearchTextBoxReactiveness(bool showResultsWithDelay)
+        private void SetupSearchTextBoxReactiveness(bool showResultsWithDelay, int searchDelay)
         {
             if (_reactiveSubscription != null)
             {