fix: Exclude authentication templates from WhatsApp template selection (#12753)

This PR add the changes for excluding the authentication templates from
the WhatsApp template selection in the frontend, as these templates are
not supported at the moment. Reference:
https://www.chatwoot.com/hc/user-guide/articles/1754940076-whatsapp-templates#what-is-not-supported

app/javascript/dashboard/store/modules/inboxes.js

@@ -78,6 +78,11 @@ export const getters = {
         return false;
       }
 
+      // Filter out authentication templates
+      if (template.category === 'AUTHENTICATION') {
+        return false;
+      }
+
       // Filter out interactive templates (LIST, PRODUCT, CATALOG), location templates, and call permission templates
       const hasUnsupportedComponents = template.components.some(
         component =>