launch.py: fix git_tag() & fix commit_hash() & simplify

Set PyTorch version to 2.0.1 for macOS

fix --data-dir ignored when launching via webui-user.bat COMMANDLINE_ARGS

move reading of COMMANDLINE_ARGS into paths_internal.py so --data-dir can be properly read

Indentation + ruff whitespace fixes

Make live previews use JPEG only for large images

Fix symlink scanning for extra networks

Use CPU Torch in CI, etc.

Vendor Roboto font

Update clean-fid to loosen transitive dependency pins

Diff: https://github.com/GaParmar/clean-fid/compare/bd92e684ff06819058083c5a9fddc6f712045d46...c8ffa420a3923e8fd87c1e75170de2cf59d2644b

UniPC progress bar adjustment

change live preview format to jpeg to prevent unreasonably slow previews for large images, and add an option to let user select the format