Improve feedback stitching

context

Today when stitching is done remotely there is no feedback provided to the user about the advancement.

The goal of this PR is too add it.

details

video

With this PR the terminal will look like:

warning: the only bad think I see at the moment is that once the processing is done some of line are not 'cleared' (when it is claimed it should... anyway not a big disadvantage compared to the benefits...)