fix(push-to-space): check for undefined/null and sys

lib/push/push-to-space.js

@@ -284,7 +284,7 @@ export default function pushToSpace ({
 // In case some entity throws an error, we null it in the list to avoid further processing.
 // This functions removes the nulled entities from the lists.
 function removeEmptyEntities (entityList) {
-  return entityList.filter((entity) => entity !== null)
+  return entityList.filter((entity) => !!entity || !entity.sys)
 }
 
 function archiveEntities (ctx, task, entities, sourceEntities) {
@@ -293,7 +293,7 @@ function archiveEntities (ctx, task, entities, sourceEntities) {
     .map(({original}) => original.sys.id)
 
   const entitiesToArchive = entities
-    .filter((entity) => entity && entityIdsToArchive.includes(entity.sys.id))
+    .filter((entity) => entityIdsToArchive.includes(entity.sys.id))
 
   return publishing.archiveEntities(entitiesToArchive)
 }
@@ -306,7 +306,7 @@ function publishEntities (ctx, task, entities, sourceEntities) {
 
   // Filter imported entities and publish only these who got published in the source
   const entitiesToPublish = entities
-    .filter((entity) => entity && entityIdsToPublish.includes(entity.sys.id))
+    .filter((entity) => entityIdsToPublish.includes(entity.sys.id))
 
   return publishing.publishEntities(entitiesToPublish)
 }