remove the progressbar for extension installation in favor of logging output

Zoom and pan: fix auto-expand

Only import `tqdm` when needed in `launch_utils`

Progressbar for extension installers

extra network metadata inherit old description

Split shared.py into multiple files

Pin fastapi to > 0.90.1 to fix crash

Fix mismatch between shared.sd_model & shared.opts

split shared.py into multiple files; should resolve all circular reference import errors related to shared.py

Zoom and pan: option to auto-expand a wide image

Fix HR `Use same sampler` option

fix typo

pass samplers from UI by name, make it possible to use a sampler from infotext even if it's hidden in the dropdown

add CFG denoiser implementation for DDIM, PLMS and UniPC (this is the commit when you can run both old and new implementations to compare them)