Remove addAssignees logic from issues model

app/assets/javascripts/boards/models/issue.js

@@ -50,9 +50,7 @@ class ListIssue {
   }
 
   addAssignee(assignee) {
-    if (!this.findAssignee(assignee)) {
-      this.assignees.push(new ListAssignee(assignee));
-    }
+    boardsStore.addIssueAssignee(this, assignee);
   }
 
   findAssignee(findAssignee) {

app/assets/javascripts/boards/stores/boards_store.js

@@ -616,6 +616,12 @@ const boardsStore = {
     );
   },
 
+  addIssueAssignee(issue, assignee) {
+    if (!issue.findAssignee(assignee)) {
+      issue.assignees.push(new ListAssignee(assignee));
+    }
+  },
+
   bulkUpdate(issueIds, extraData = {}) {
     const data = {
       update: Object.assign(extraData, {

changelogs/unreleased/Remove-addAssignee-logic-from-issues-model.yml

+---
+title: Remove addAssignee logic from issue model
+merge_request: 32231
+author: nuwe1
+type: other