enhance: use different icon for Visual Studio Preview

Signed-off-by: leo <longshuang@msn.cn>

Author: love-linger

src/Models/ExternalTool.cs

@@ -55,6 +55,9 @@ public class VisualStudioInstance
 
         [JsonPropertyName("productPath")]
         public string ProductPath { get; set; } = string.Empty;
+
+        [JsonPropertyName("isPrerelease")]
+        public bool IsPrerelease { get; set; } = false;
     }
 
     public class JetBrainsState

src/Native/Windows.cs

@@ -399,7 +399,8 @@ private void FindVisualStudio(Models.ExternalToolsFinder finder)
                     foreach (var instance in instances)
                     {
                         var exec = instance.ProductPath;
-                        finder.TryAdd(instance.DisplayName, "vs", () => exec, GenerateCommandlineArgsForVisualStudio);
+                        var icon = instance.IsPrerelease ? "vs-preview" : "vs";
+                        finder.TryAdd(instance.DisplayName, icon, () => exec, GenerateCommandlineArgsForVisualStudio);
                     }
                 }
             }