Improve ScanPlot2d
This MR provide few fixes plus widget to use features from daiquiri!352 (merged)
- daiquiri!352 (merged) have to be merged first
- Added widget to select LUT/normalization/autoscale
- Display
console.error
when the image can't be loaded - Code clean up
Here we can see that the image is properly displayed, which is not the case without this MR.
Edited by Valentin Valls