Merged in fix/book-453-linkconnection (pull request #2972)

fix(BOOK-453): avoid linkConnection invalid

* fix(BOOK-453): avoid linkConnection invalid

* test

* test

* test

* Merge master

packages/trpc/lib/routers/contentstack/destinationCountryPage/utils.ts

@@ -39,7 +39,7 @@ export function getConnections({
       switch (block.__typename) {
         case DestinationCountryPageEnum.ContentStack.blocks.Accordion: {
           if (block.accordion.length) {
-            connections.push(...block.accordion)
+            connections.push(...block.accordion.filter((c) => !!c))
           }
           break
         }
@@ -58,7 +58,9 @@ export function getConnections({
   if (destination_country_page.sidepeek_content) {
     destination_country_page.sidepeek_content?.content?.embedded_itemsConnection.edges.forEach(
       ({ node }) => {
-        connections.push(node.system)
+        if (node.system) {
+          connections.push(node.system)
+        }
       }
     )
   }