nest populate

src/server/models/user-group-relation.js

@@ -85,10 +85,17 @@ class UserGroupRelation {
    * @memberof UserGroupRelation
    */
   static findAllRelationForUserGroup(userGroup) {
+    const User = UserGroupRelation.crowi.model('User');
     debug('findAllRelationForUserGroup is called', userGroup);
     return this
       .find({ relatedGroup: userGroup })
-      .populate('relatedUser')
+      .populate({
+        path: 'relatedUser',
+        populate: {
+          path: 'imageAttachment',
+          select: User.IMAGE_POPULATION,
+        },
+      })
       .exec();
   }