message: fix: color conversion
  Update the visualization function
  with the BGR-> RGB conversion.
diff: @@ -3,6 +3,7 @@ package org.enso.image.data;
  import org.enso.image.opencv.OpenCV;
  import org.opencv.core.*;
  import org.opencv.imgcodecs.Imgcodecs;
  +import org.opencv.imgproc.Imgproc;
  import java.util.Base64;
  @@ -54,9 +55,22 @@ public class Image {
  */
  public static String to_base64(Mat mat) {
  MatOfByte buf = new MatOfByte();
  + switch (mat.channels()) {
  + case 3:
  + Imgproc.cvtColor(mat, buf, Imgproc.COLOR_BGR2RGB);
  + Imgcodecs.imencode(EXTENSION_PNG, buf, buf);
  + break;
  + case 4:
  + Imgproc.cvtColor(mat, buf, Imgproc.COLOR_BGRA2RGBA);
  + Imgcodecs.imencode(EXTENSION_PNG, buf, buf);
  + break;
  + default:
  Imgcodecs.imencode(EXTENSION_PNG, mat, buf);
  + }
  +
  byte[] bufData = new byte[(int) buf.total() * buf.channels()];
  buf.get(0, 0, bufData);
  +
  return Base64.getEncoder().encodeToString(bufData);
  }
  