Fix discussions pagination

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

js/src/components/Comment/CommentTree.vue

@@ -107,11 +107,7 @@ import { ApolloCache, FetchResult, InMemoryCache } from "@apollo/client/core";
           eventUUID: this.event.uuid,
         };
       },
-      update(data) {
-        return data.event.comments.map(
-          (comment: IComment) => new CommentModel(comment)
-        );
-      },
+      update: (data) => data.event.comments,
       skip() {
         return !this.event.uuid;
       },

js/src/components/Discussion/DiscussionComment.vue

@@ -57,7 +57,12 @@
       <div v-if="!editMode && !comment.deletedAt" class="text-wrapper">
         <div class="description-content" v-html="comment.text"></div>
         <p
-          v-if="comment.insertedAt.getTime() !== comment.updatedAt.getTime()"
+          v-if="
+            comment.insertedAt &&
+            comment.updatedAt &&
+            new Date(comment.insertedAt).getTime() !==
+              new Date(comment.updatedAt).getTime()
+          "
           :title="comment.updatedAt | formatDateTimeString"
         >
           {{