Window "Batch progress" do not close automatically

[mazahaka567]

If you select Tools -> Automate/Batch, select a few pictures and click “Ok”, after loading image "Batch progress" is still opened without information about loading status.
Operating system: Windows 7 Professional x64, Windows 10 Home x64.
Program version: 1.5.5 Portable Edition.
Steps to reproduce issue:
1.Start the program;
2.Tools-> Automate/Batch;
3. Add files -> Select images from -> Click "Ok"
Result

[DylanC]

Dup of #113