fix: Missing user scope in collection mailer

server/mailer.tsx

@@ -249,7 +249,9 @@ export class Mailer {
     collectionId: string;
     unsubscribeUrl: string;
   }) => {
-    const collection = await Collection.findByPk(opts.collectionId);
+    const collection = await Collection.scope("withUser").findByPk(
+      opts.collectionId
+    );
     invariant(collection, "Collection not found");
 
     this.sendMail({

server/models/Collection.ts

@@ -73,6 +73,15 @@ type Sort = CollectionSort;
       },
     ],
   },
+  withUser: () => ({
+    include: [
+      {
+        model: User,
+        required: true,
+        as: "user",
+      },
+    ],
+  }),
   withMembership: (userId: string) => ({
     include: [
       {