Fix build issue

Author: Jack251970

Flow.Launcher.Infrastructure/Image/ImageLoader.cs

@@ -243,7 +243,7 @@ private static ImageResult GetThumbnailResult(ref string path, bool loadFullImag
                         {
                             image = Image;
                             type = ImageType.Error;
-                            Log.Exception($"Failed to load image file from path {path}: {ex.Message}", ex);
+                            API.LogException(ClassName, $"Failed to load image file from path {path}: {ex.Message}", ex);
                         }
                     }
                     else
@@ -267,7 +267,7 @@ private static ImageResult GetThumbnailResult(ref string path, bool loadFullImag
                     {
                         image = Image;
                         type = ImageType.Error;
-                        Log.Exception($"Failed to load SVG image from path {path}: {ex.Message}", ex);
+                        API.LogException(ClassName, $"Failed to load SVG image from path {path}: {ex.Message}", ex);
                     }
                 }
                 else

Plugins/Flow.Launcher.Plugin.Program/Main.cs

@@ -32,8 +32,6 @@ public class Main : ISettingProvider, IAsyncPlugin, IPluginI18n, IContextMenu, I
 
         internal static PluginInitContext Context { get; private set; }
 
-        private static readonly string ClassName = nameof(Main);
-
         private static readonly List<Result> emptyResults = new();
 
         private static readonly MemoryCacheOptions cacheOptions = new() { SizeLimit = 1560 };