Added code to avoid unneccessary breaking changes

Author: bergmania

src/Umbraco.Core/Media/UploadAutoFillProperties.cs

@@ -26,6 +26,16 @@ public UploadAutoFillProperties(
         _imageDimensionExtractor = imageDimensionExtractor ?? throw new ArgumentNullException(nameof(imageDimensionExtractor));
     }
 
+    [Obsolete("Use non-obsolete ctor. This will be removed in Umbraco 13.")]
+    public UploadAutoFillProperties(
+        MediaFileManager mediaFileManager,
+        ILogger<UploadAutoFillProperties> logger,
+        IImageUrlGenerator imageUrlGenerator,
+        IImageDimensionExtractor imageDimensionExtractor) : this(mediaFileManager, logger, imageDimensionExtractor)
+    {
+
+    }
+
     /// <summary>
     /// Resets the auto-fill properties of a content item, for a specified auto-fill configuration.
     /// </summary>