profile: add SUI styling for locale preferences field

Author: jennur

invenio_userprofiles/templates/semantic-ui/invenio_userprofiles/settings/profile.html

@@ -74,11 +74,13 @@
       {%- set form = preferences_form %}
       <form {% if not read_only %}method="POST"{% endif %} name="preferences_form" class="ui form">
         {%- for field in form %}
-        {%- if field.widget.input_type == 'hidden' %}
-        {{ field() }}
-        {%- else %}
-        {{ render_field(field, placeholder=field.label.text, field_class="form-control no-dots-list pl-0") }}
-        {%- endif %}
+          {%- if field.widget.input_type == 'hidden' %}
+            {{ field() }}
+          {%- elif field.type == 'SelectField' %}
+            {{ render_field(field, field_class="ui dropdown") }}
+          {%- else %}
+            {{ render_field(field, placeholder=field.label.text, field_class="form-control no-dots-list pl-0") }}
+          {%- endif %}
         {%- endfor %}
         <div class="form-actions">
           <a href="." class="ui button"><i class="close icon"></i> {{ _('Cancel') }}</a>