Also refactor the mask creation to make it more accesible.

Use `True` and `False` to select values.

added support for extensions

add refresh button for aesthetic embeddings
add aesthetic params to images' infotext

Don't compute latent mask if were not using it. Also added support for fixed highres_fix generation.

fix to tokens lenght, addend embs generator, add new features to edit the embedding before the generation using text

support copy-pasting new parameters for hires fix