Add ShowAtTopmost in settings

Author: Jack251970

Flow.Launcher.Infrastructure/UserSettings/Settings.cs

@@ -59,16 +59,19 @@ public string Language
             get => _language;
             set
             {
-                _language = value;
-                OnPropertyChanged();
+                if (_language != value)
+                {
+                    _language = value;
+                    OnPropertyChanged();
+                }
             }
         }
         public string Theme
         {
             get => _theme;
             set
             {
-                if (value != _theme)
+                if (_theme != value)
                 {
                     _theme = value;
                     OnPropertyChanged();
@@ -283,9 +286,12 @@ public SearchPrecisionScore QuerySearchPrecision
             get => _querySearchPrecision;
             set
             {
-                _querySearchPrecision = value;
-                if (_stringMatcher != null)
-                    _stringMatcher.UserSettingSearchPrecision = value;
+                if (_querySearchPrecision != value)
+                {
+                    _querySearchPrecision = value;
+                    if (_stringMatcher != null)
+                        _stringMatcher.UserSettingSearchPrecision = value;
+                }
             }
         }
 
@@ -348,12 +354,28 @@ public bool HideNotifyIcon
             get => _hideNotifyIcon;
             set
             {
-                _hideNotifyIcon = value;
-                OnPropertyChanged();
+                if (_hideNotifyIcon != value)
+                {
+                    _hideNotifyIcon = value;
+                    OnPropertyChanged();
+                }
             }
         }
         public bool LeaveCmdOpen { get; set; }
         public bool HideWhenDeactivated { get; set; } = true;
+        private bool _showAtTopmost;
+        public bool ShowAtTopmost
+        {
+            get => _showAtTopmost;
+            set
+            {
+                if (_showAtTopmost != value)
+                {
+                    _showAtTopmost = value;
+                    OnPropertyChanged();
+                }
+            }
+        }
 
         public bool SearchQueryResultsWithDelay { get; set; }
         public int SearchDelayTime { get; set; } = 150;