Added VAE listing to web API. Via: /sdapi/v1/sd-vae

Fix typo in `--update-check` help message

Fix s_min_uncond default type int

fix "hires. fix" prompt sharing same labels with txt2img_prompt

Change `chck` to `check`

fix serving images that have already been saved without temp files function that broke after updating gradio

Added format to specify VAE filename for generated image filenames

Change 'images.zip' to pattern settings

Add onAfterUiUpdate callback

Cleaner image metadata read

Fix --ui-debug-mode exit

Download ROCm for AMD GPU only if NVIDIA is not presented

Small fixes to prepare_tcmalloc for Debian/Ubuntu compatibility

Tooltip fixes & optimizations

fix serving images that have already been saved without temp files function that broke after updating gradio

to reveal if an error is caused by an extension

Raising a FileNotFoundError instead.

- /usr/sbin (where ldconfig is usually located) is not typically on users' PATHs by default, so we set that variable before trying to run ldconfig.
- The libtcmalloc library is called libtcmalloc_minimal on Debian/Ubuntu systems. We now check whether libtcmalloc_minimal exists when running prepare_tcmalloc.