Fix create issue in board with weight

Changelog: fixed
EE: true

app/assets/javascripts/boards/boards_util.js

@@ -111,7 +111,7 @@ export function fullLabelId(label) {
 
 export function formatIssueInput(issueInput, boardConfig) {
   const { labelIds = [], assigneeIds = [] } = issueInput;
-  const { labels, assigneeId, milestoneId } = boardConfig;
+  const { labels, assigneeId, milestoneId, weight } = boardConfig;
 
   return {
     ...issueInput,
@@ -121,6 +121,7 @@ export function formatIssueInput(issueInput, boardConfig) {
         : issueInput?.milestoneId,
     labelIds: [...labelIds, ...(labels?.map((l) => fullLabelId(l)) || [])],
     assigneeIds: [...assigneeIds, ...(assigneeId ? [fullUserId(assigneeId)] : [])],
+    weight,
   };
 }
 

ee/app/assets/javascripts/boards/components/weight_select.vue

@@ -63,7 +63,7 @@ export default {
       } else if (weight === NO_WEIGHT) {
         return -2;
       }
-      return -1;
+      return null;
     },
     toggleEdit() {
       if (this.dropdownHidden) {

spec/frontend/boards/boards_util_spec.js

@@ -27,6 +27,7 @@ describe('formatIssueInput', () => {
       labelIds: ['gid://gitlab/GroupLabel/5', 'gid://gitlab/GroupLabel/44'],
       assigneeIds: ['gid://gitlab/User/55'],
       milestoneId: 'gid://gitlab/Milestone/66',
+      weight: 1,
     });
   });
 });