Updated mobile closed issue icon

app/assets/javascripts/issue_show/components/app.vue

@@ -238,7 +238,7 @@ export default {
         : '';
     },
     statusIcon() {
-      return this.isClosed ? 'mobile-issue-close' : 'issue-open-m';
+      return this.isClosed ? 'issue-close' : 'issue-open-m';
     },
     statusText() {
       return IssuableStatusText[this.issuableStatus];

app/views/shared/issue_type/_details_header.html.haml

 .detail-page-header
   .detail-page-header-body
     .issuable-status-box.status-box.status-box-issue-closed{ class: issue_status_visibility(issuable, status_box: :closed) }
-      = sprite_icon('mobile-issue-close', css_class: 'gl-display-block gl-sm-display-none!')
+      = sprite_icon('issue-close', css_class: 'gl-display-block gl-sm-display-none!')
       .gl-display-none.gl-sm-display-block!
         = issue_closed_text(issuable, current_user)
     .issuable-status-box.status-box.status-box-open{ class: issue_status_visibility(issuable, status_box: :open) }