Add a user pattern to the filename generator

        'hasprompt': lambda self, *args: self.hasprompt(*args),  # accepts formats:[hasprompt<prompt1|default><prompt2>..]

        'clip_skip': lambda self: opts.data["CLIP_stop_at_last_layers"],

        'denoising': lambda self: self.p.denoising_strength if self.p and self.p.denoising_strength else NOTHING_AND_SKIP_PREVIOUS_TEXT,

        'user': lambda self: self.p.user,

    }

    default_time_format = '%Y%m%d%H%M%S'