Not sure how this was supposed to work, but I needed the following in views/labeldesigner.jinja2" line 54:
<option {% if label['DEFAULT_FONTS']['style'] == font_style and label['DEFAULT_FONTS']['family'] == font_family_name %}selected{% endif %}>{{font_family_name}} ({{ font_style }})</option>
Not sure how this was supposed to work, but I needed the following in views/labeldesigner.jinja2" line 54:
<option {% if label['DEFAULT_FONTS']['style'] == font_style and label['DEFAULT_FONTS']['family'] == font_family_name %}selected{% endif %}>{{font_family_name}} ({{ font_style }})</option>