only query for deleteScheduledAt when needed

components/reply.js

@@ -99,6 +99,7 @@ export default forwardRef(function Reply ({ item, onSuccess, replyOpen, children
       mutation upsertComment($text: String!, $parentId: ID!, $hash: String, $hmac: String) {
         upsertComment(text: $text, parentId: $parentId, hash: $hash, hmac: $hmac) {
           ...CommentFields
+          deleteScheduledAt
           comments {
             ...CommentsRecursive
           }

fragments/comments.js

@@ -6,7 +6,6 @@ export const COMMENT_FIELDS = gql`
     parentId
     createdAt
     deletedAt
-    deleteScheduledAt
     text
     user {
       id

fragments/items.js

@@ -55,7 +55,6 @@ export const ITEM_FULL_FIELDS = gql`
   fragment ItemFullFields on Item {
     ...ItemFields
     text
-    deleteScheduledAt
     root {
       id
       title