add resolution calculation from buckets for lora user metadata page

        if self.is_safetensors:

            try:

                #self.metadata = sd_models.read_metadata_from_safetensors(filename)

                self.metadata = cache.cached_data_for_file('safetensors-metadata', "lora/" + self.name, filename, read_metadata)

            except Exception as e:

                errors.display(e, f"reading lora {filename}")

        item = self.page.items.get(name, {})

        metadata = item.get("metadata") or {}

        keys = [

            ('ss_sd_model_name', "Model:"),

            ('ss_resolution', "Resolution:"),

            ('ss_clip_skip', "Clip skip:"),

        ]

        keys = {

            'ss_sd_model_name': "Model:",

            'ss_clip_skip': "Clip skip:",

        }

        for key, label in keys:

        for key, label in keys.items():

            value = metadata.get(key, None)

            if value is not None and str(value) != "None":

                table.append((label, html.escape(value)))

        ss_bucket_info = metadata.get("ss_bucket_info")

        if ss_bucket_info and "buckets" in ss_bucket_info:

            resolutions = {}

            for _, bucket in ss_bucket_info["buckets"].items():

                resolution = bucket["resolution"]

                resolution = f'{resolution[1]}x{resolution[0]}'

                resolutions[resolution] = resolutions.get(resolution, 0) + int(bucket["count"])

            resolutions_list = sorted(resolutions.keys(), key=resolutions.get, reverse=True)

            resolutions_text = html.escape(", ".join(resolutions_list[0:4]))

            if len(resolutions) > 4:

                resolutions_text += ", ..."

                resolutions_text = f"<span title='{html.escape(', '.join(resolutions_list))}'>{resolutions_text}</span>"

            table.append(('Resolutions:' if len(resolutions_list) > 1 else 'Resolution:', resolutions_text))

        image_count = 0

        for _, params in metadata.get("ss_dataset_dirs", {}).items():

            image_count += int(params.get("img_count", 0))