Agree with Aline's proposal to add a button in ISO line of storage pool tab:
And then pop out a window:
And then show progress. Here we'll have 2 options: progress with
percentage indication and only running/finished status.
Option 1:
Option 2:
For option 1, we need back-end support that enables in-time notification
of completion percentage when uploading a file with 2 pieces of
information: total file size, and received file size.