Display widget Image associated to one sample or selection

**Is your feature request related to a problem? Please describe.**
If we want to now why a sample was badly predicted, we can select it and display it with the widget

Also look at T-sne for multiple sample selected

For time series :
You can display an image that represents a sequence of data with the help of a plugin and some config (calculated in the backend?).
Allows to add context, more information to data.