icon fix

src/pages/_includes/ui/alert.html

 <div class="alert alert-{{ include.type | default: 'primary'}}{%if include.close %} alert-dismissible{% endif %}{% if include.avatar %} alert-avatar{% endif %}" role="alert">
-   {% if include.person-id %}{% include ui/avatar.html person-id=include.person-id  %}{% endif %}
-   {% if include.icon %}
-   {% include ui/icon.html icon=include.icon class="mr-1" %}
-   {% endif %}
+	{% if include.person-id %}{% include ui/avatar.html person-id=include.person-id  %}{% endif %}
+	{% if include.icon %}
+	{% include ui/icon.html icon=include.icon class="mr-1" %}
+	{% endif %}
 
-   {{ include.text | default: "This is a custom alert box!" }}
+	{{ include.text | default: "This is a custom alert box!" }}
 
-   {% if include.buttons %}
-   <div class="btn-list">
-      <a href="#" class="btn btn-success">Save changes</a>
-      <a href="#" class="btn">Cancel</a>
-   </div>
-   {% endif %}
+	{% if include.buttons %}
+	<div class="btn-list">
+		<a href="#" class="btn btn-success">Save changes</a>
+		<a href="#" class="btn">Cancel</a>
+	</div>
+	{% endif %}
 
-   {% if include.close %}<a href="#" class="btn-close" data-dismiss="alert" aria-label="close"></a>{% endif %}
+	{% if include.close %}<a href="#" class="btn-close" data-dismiss="alert" aria-label="close"></a>{% endif %}
 </div>

src/pages/_includes/ui/icon.html

@@ -21,6 +21,7 @@
 {% if site.use-iconfont %}
 	<i class="icon ti ti-{{ icon-name }}{% if include.color %} {{ include.color }}{% endif %}{% if include.class %} {{ include.class }}{% endif %}"></i>
 {% else %}
+	{% assign svg-icon = site.data.icons[icon-name] | default: '' %}
 	{{ svg-icon | replace_regex: 'class=\"[^"]+\"', replace-to }}
 {% endif %}