Fix logging configuration again

Ensure GRADIO_ANALYTICS_ENABLED is set early enough

* Only use `tqdm.write()` if `tqdm` is active, defer to stderr
* Correct log formatter for TqdmLoggingHandler
* If `rich` is installed and `SD_WEBUI_RICH_LOG` is set, use `rich`'s formatter

paste infotext cast int as float

Fix SwinIR issues

handle config.json failed to load

Avoid unnecessary `isfile`/`exists` calls

mass file lister as an attempt to tackle #14507

reduce unnecessary re-indexing extra networks directory

torch_bgr_to_pil_image: round, don't truncate

This matches what `realesrgan` does.

Remove licenses and README mentions for code that's no longer copy-pasted

Spandrel: "prefer half" instead of "force half"

As discussed with the Spandrel folks, it's good to heed Spandrel's
"supports half precision" flag to avoid e.g. black blotches and what-not.

Refactor Torch-space upscale fully out of ScuNET/SwinIR

Add inpaint arguments in .txt file

Fix lint issue from 501993eb

rename infotext.py again, this time to infotext_utils.py; I didn't realize infotext would be used for variable names in multiple places, which makes it awkward to import the module; also fix the bug I caused by this rename that breaks tests