Identify correct sentry id

In migrating the error detail view for Sentry errors to GraphQL,
the sentry error id got mis-mapped. This fixes the regression.

app/assets/javascripts/error_tracking/components/error_details.vue

@@ -207,7 +207,7 @@ export default {
             <gl-form-input class="hidden" name="issue[title]" :value="issueTitle" />
             <input name="issue[description]" :value="issueDescription" type="hidden" />
             <gl-form-input
-              :value="GQLerror.id"
+              :value="GQLerror.sentryId"
               class="hidden"
               name="issue[sentry_issue_attributes][sentry_issue_identifier]"
             />

changelogs/unreleased/sy-bugfix-sentry-id.yml

+---
+title: Identify correct sentry id in error tracking detail
+merge_request: 23280
+author:
+type: fixed

spec/frontend/error_tracking/components/error_details_spec.js

@@ -39,7 +39,8 @@ describe('ErrorDetails', () => {
     });
     wrapper.setData({
       GQLerror: {
-        id: 129381,
+        id: 'gid://gitlab/Gitlab::ErrorTracking::DetailedError/129381',
+        sentryId: 129381,
         title: 'Issue title',
         externalUrl: 'http://sentry.gitlab.net/gitlab',
         firstSeen: '2017-05-26T13:32:48Z',