Updated user settings page and user forms

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

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