Change isOpen to include "reopened" state

app/assets/javascripts/vue_shared/mixins/related_issuable_mixin.js

@@ -111,7 +111,7 @@ const mixins = {
       return this.isMergeRequest && this.pipelineStatus && Object.keys(this.pipelineStatus).length;
     },
     isOpen() {
-      return this.state === 'opened';
+      return this.state === 'opened' || this.state === 'reopened';
     },
     isClosed() {
       return this.state === 'closed';

spec/frontend/issuable/related_issues/components/issue_token_spec.js

@@ -78,7 +78,7 @@ describe('IssueToken', () => {
     it.each`
       state         | icon              | cssClass
       ${'opened'}   | ${'issue-open-m'} | ${'issue-token-state-icon-open'}
-      ${'reopened'} | ${'issue-close'}  | ${'issue-token-state-icon-closed'}
+      ${'reopened'} | ${'issue-open-m'} | ${'issue-token-state-icon-open'}
       ${'closed'}   | ${'issue-close'}  | ${'issue-token-state-icon-closed'}
     `('shows "$icon" icon when "$state"', ({ state, icon, cssClass }) => {
       createComponent({