Boards - Sort closed issues by closedAt date

Changelog: fixed

app/assets/javascripts/boards/boards_util.js

@@ -43,7 +43,9 @@ export function formatListIssues(listIssues) {
     let sortedIssues = list.issues.edges.map((issueNode) => ({
       ...issueNode.node,
     }));
-    sortedIssues = sortBy(sortedIssues, 'relativePosition');
+    if (list.listType !== ListType.closed) {
+      sortedIssues = sortBy(sortedIssues, 'relativePosition');
+    }
 
     return {
       ...map,

app/assets/javascripts/boards/graphql/lists_issues.query.graphql

@@ -16,6 +16,7 @@ query ListIssues(
         nodes {
           id
           issuesCount
+          listType
           issues(first: $first, filters: $filters, after: $after) {
             edges {
               node {
@@ -37,6 +38,7 @@ query ListIssues(
         nodes {
           id
           issuesCount
+          listType
           issues(first: $first, filters: $filters, after: $after) {
             edges {
               node {