Progress bar when loading a large binary

[Semnodime]

Is your feature request related to a problem? Please describe. Loading a large binary.

Describe the solution you'd like Display a loading/progress bar.

Describe alternatives you've considered Grey out the window and make the curser a load icon.

Additional context None

[Semnodime]

Related to #2827 #2660 #2487 #2161 maybe #2488 and probably many more. In general, let the human know what the machine is doing or at least indicate that it is doing something.