[IX] Display the training status for each extractor in the Extractors table

[aphilop]

Showing the training status for each extractor would provide to the user a good overview of what is happening (feedback of the system).

[juanmnl]

Add a column with tags showing the current status of the process for each row.
*Names of the statuses still need to be discussed and if there's any kind of blocking, or not, the access to the nested table of data on any of those processes besides "done"