text: Title: Prediction widget shows no probabilities
  Body: **Describe the bug**
  The Prediction widget shows no probabilities for the predicted classes.
  
  **To Reproduce**
  
  **Expected behavior**
  See probabilities for predicted classes in prediction Widget.
  
  **Orange version:**
  3.32
  
  **Screenshots**
  ![grafik](https://user-images.githubusercontent.com/111502928/187162897-d7e4ea55-dc51-4b82-a6af-c548427f7887.png)
  
  **Operating system:**
  Windows 11
  
  **Additional context**
  