Files are not being saved, canceling batch error

[TheSecondRaid]

Describe the bug
There is a bug, where end result won't appear in folder, also canceling batch causes error "IndexError: list index out of range".
To Reproduce
Steps to reproduce the behavior:

1. Go to img2img
2. Launch loopback batch generation
3. Press "Interrupt"
4. See error in console and on web ui

Desktop (please complete the following information):

• OS: Windows 10 Pro
• Browser Opera GX or Chrome
• Commit revision dd1fe6f

Additional context
Seems like this problem was solved on AUTOMATIC1111 repository some time ago, but present here.

[Interpause]

I am currently maintaining a fork of this repo at https://github.com/Interpause/auto-sd-krita. Also I added new features and stuff.