aCacheData with current textarea values
        const entries = mediaListDiv.getElementsByClassName('media-entry');
        for (let i = 0; i < entries.length; i++) {
            const entryDiv = entries[i];
            const base64Key = entryDiv.dataset.base64Key;
            const textarea = entryDiv.querySelector('textarea');
            if (mediaCacheData[base64Key]) {
                mediaCacheData[base64Key].description = textarea.value;
            }
        }

        try {
            c