Improve code quality

Author: Jack251970

Plugins/Flow.Launcher.Plugin.WebSearch/Settings.cs

@@ -7,8 +7,6 @@ namespace Flow.Launcher.Plugin.WebSearch
 {
     public class Settings : BaseModel
     {
-        private bool enableSuggestion;
-
         public Settings()
         {
             SelectedSuggestion = Suggestions[0];
@@ -193,13 +191,17 @@ public Settings()
         [JsonIgnore]
         public SearchSource SelectedSearchSource { get; set; }
 
+        private bool enableSuggestion;
         public bool EnableSuggestion
         {
             get => enableSuggestion;
             set
             {
-                enableSuggestion = value;
-                OnPropertyChanged(nameof(EnableSuggestion));
+                if (enableSuggestion != value)
+                {
+                    enableSuggestion = value;
+                    OnPropertyChanged(nameof(EnableSuggestion));
+                }
             }
         }