message: catalog-backend: fix location key check in entity provider delta diff
diff: @@ -784,7 +784,10 @@ export class DefaultProcessingDatabase implements ProcessingDatabase {
  if (!oldRef) {
  // Add any entity that does not exist in the database
  toAdd.push(upsertItem);
  - } else if (oldRef.locationKey !== item.deferred.locationKey) {
  + } else if (
  + (oldRef?.locationKey ?? undefined) !==
  + (item.deferred.locationKey ?? undefined)
  + ) {
  // Remove and then re-add any entity that exists, but with a different location key
  toRemove.push(item.ref);
  toAdd.push(upsertItem);
  