[FIX] website_form_builder: Fix missing required field indicators

Styling should be available for public users too.

Fixes https://github.com/OCA/website/issues/584.

website_form_builder/__manifest__.py

@@ -3,7 +3,7 @@
 {
     "name": "Website Form Builder",
     "summary": "Build customized forms in your website",
-    "version": "11.0.1.0.0",
+    "version": "11.0.1.1.0",
     "category": "Website",
     "website": "https://github.com/OCA/website",
     "author": "Tecnativa, Odoo Community Association (OCA)",

website_form_builder/templates/assets.xml

@@ -10,8 +10,6 @@
                     src="/website_form_builder/static/src/js/snippets.js"/>
             <script type="text/javascript"
                     src="/website_form_builder/static/src/js/widgets.js"/>
-            <link rel="stylesheet"
-                  href="/website_form_builder/static/src/css/website_form_builder.less"/>
 
             <script type="text/javascript"
                     src="/web/static/src/js/core/domain.js"/>
@@ -24,4 +22,11 @@
         </xpath>
     </template>
 
+    <template id="assets_frontend" inherit_id="website.assets_frontend">
+        <xpath expr=".">
+            <link rel="stylesheet"
+                  href="/website_form_builder/static/src/css/website_form_builder.less"/>
+        </xpath>
+    </template>
+
 </odoo>