Updated user settings page and user forms

templates/forms/partials/input-theme.html.twig

@@ -0,0 +1,19 @@
+{% block input_theme %}
+{% if 'theme' not in form.fields.hidden %}
+<div class="form-group">
+    <label for="input-theme">{{translate('THEME')}}</label>
+    <div class="input-group">
+        <span class="input-group-addon"><i class="fas fa-puzzle-piece fa-fw"></i></span>
+        {% if 'theme' in form.fields.disabled %}
+            <input type="text" class="form-control" name="theme" value="{{themes[user.theme]}}" disabled>
+        {% else %}
+            <select id="input-theme" class="form-control js-select2" name="theme">
+                {% for option, label in theme %}
+                <option value="{{option}}" {% if (option == user.theme) %}selected{% endif %}>{{label}}</option>
+                {% endfor %}
+            </select>
+        {% endif %}
+    </div>
+</div>
+{% endif %}
+{% endblock %}