fix: document.collaboratorIds iterable error (#12602)

app/components/Collaborators.tsx

@@ -79,10 +79,10 @@ function Collaborators(props: Props) {
   // Memoize ids to avoid unnecessary effect executions
   const missingUserIds = useMemo(
     () =>
-      uniq([...document.collaboratorIds, ...Array.from(presentIds)])
+      uniq([...collaboratorIdsSet, ...presentIds])
         .filter((userId) => !users.get(userId))
         .sort(),
-    [document.collaboratorIds, presentIds, users]
+    [collaboratorIdsSet, presentIds, users]
   );
 
   useEffect(() => {

server/presenters/document.ts

@@ -109,7 +109,7 @@ async function presentDocument(
     res.parentDocumentId = document.parentDocumentId;
     res.createdBy = presentUser(document.createdBy);
     res.updatedBy = presentUser(document.updatedBy);
-    res.collaboratorIds = document.collaboratorIds;
+    res.collaboratorIds = document.collaboratorIds ?? [];
     res.templateId = document.templateId;
     res.insightsEnabled = document.insightsEnabled;
     res.popularityScore = document.popularityScore;