fix xyz for 1.9

[w-e-w]

ther was a change in 1.9 that cases this extention to break

• cause AUTOMATIC1111/stable-diffusion-webui@23c06a5
• fix refernce Fix cls.__module__ value in extension script AUTOMATIC1111/stable-diffusion-webui#15532

[w-e-w]

Update
AUTO as pushed a fix to issue in webui 1.9.2 reverting the behavior back to 1.8
see https://github.com/AUTOMATIC1111/stable-diffusion-webui/releases/tag/v1.9.2

this PR now not as important and only applicable to those that are on 1.9.0 and did not updata to 1.9.2
if merged this will fix the for 1.9.0 but if not, it will still work for <=1.8 and >=1.9.2

[w-e-w]

some extra update
the TLDR is that luckily the issue doesn't seems to be as bewidespread (but it almost will is)
so it should be fine not merging this PR
for details

• fix xyz for 1.9 Bing-su/adetailer#589 (comment)