Dispatch layer changed event when layer needs a re-render

src/ol/source/Image.js

@@ -212,7 +212,6 @@ class ImageSource extends Source {
         this.dispatchEvent(
           new ImageSourceEvent(ImageSourceEventType.IMAGELOADEND,
             image));
-        this.changed();
         break;
       case ImageState.ERROR:
         this.loading = false;