add infotext entry for emphasis; put emphasis into a separate file, add an option to parse but still ignore emphasis

Add option to disable normalize embeddings after after calculating emphasis.

if extensions page not loaded, prevent apply

util.walk_files extensions case insensitive

fix prepare_tcmalloc (fix: #14227)(Fixed memory leak issue in Ubuntu 22.04 or modern linux environment)

ResizeHandleRow png_info and train

Always add timestamp to displayed image

extensions tab table row hover highlight

since they are built-in extensions we can make the assumption that they will be at least one or more extensions
Co-Authored-By: Andray <33491867+light-and-ray@users.noreply.github.com>

Button for refresh extensions list

fix extra networks metadata failing to work properly when you create the .json file with metadata for the first time.

fix path sortkey not including the filename for #14588

catch load style.csv error

Fix potential autocast NaNs in image upscale

add tooltip create_submit_box

Add NPU Support

Fix dtype error in MHA layer/change dtype checking mechanism for manual cast

This reverts commit d243e24f.