Zoom and pan: Improve integration

tell RealESRGANer which device to run on, could be cuda, M1, or other…

Zoom and pan: Improved integration

Update README.md with install instructions on Intel CPUs, GPUs

Resize handle improvements and bug fixes

fix blinking for live previews
fix a clientside live previews exception that happens when you kill serverside during sampling
match the size of live preview image to gallery image

actual solution to the uncommon hanging problem that is seemingly caused by multiple progress requests working on same tensor

attemped solution to the uncommon hanging problem that is seemingly caused by live previews working on the tensor as denoising

add RNG source to XYZ

Reset columns on resize handle double click

Create Gradio temp directory if necessary

Gradio normally creates the temp directory in `pil_to_temp_file()` (https://github.com/gradio-app/gradio/blob/861d752a83da0f95e9f79173069b69eababeed39/gradio/components/base.py#L313) but since the Gradio implementation of `pil_to_temp_file()` is replaced with `save_pil_to_file()`, the Gradio temp directory should also be created by `save_pil_to_file()` when necessary.