Fix homepage external link placement and publish sanitization

server/helpers.js

@@ -162,7 +162,11 @@ function sanitizeCustomLinks(value) {
     .filter(item => item && typeof item === 'object')
     .map(item => {
       const placement =
-        item?.placement === 'platforms' || item?.placement === 'footer' || item?.placement === 'resources'
+        item?.placement === 'platforms'
+        || item?.placement === 'footer'
+        || item?.placement === 'resources'
+        || item?.placement === 'otherSites'
+        || item?.placement === 'externalSites'
           ? item.placement
           : 'footer'