Rename first_class_init to vulnerability_report_init

ee/app/assets/javascripts/pages/groups/security/vulnerabilities/index/index.js

-import initFirstClassSecurityDashboard from 'ee/security_dashboard/first_class_init';
 import { DASHBOARD_TYPES } from 'ee/security_dashboard/store/constants';
+import vulnerabilityReportInit from 'ee/security_dashboard/vulnerability_report_init';
 
-document.addEventListener('DOMContentLoaded', () => {
-  initFirstClassSecurityDashboard(
-    document.getElementById('js-group-vulnerabilities'),
-    DASHBOARD_TYPES.GROUP,
-  );
-});
+vulnerabilityReportInit(document.getElementById('js-group-vulnerabilities'), DASHBOARD_TYPES.GROUP);

ee/app/assets/javascripts/pages/projects/security/vulnerability_report/index.js

-import initFirstClassSecurityDashboard from 'ee/security_dashboard/first_class_init';
 import { DASHBOARD_TYPES } from 'ee/security_dashboard/store/constants';
+import vulnerabilityReportInit from 'ee/security_dashboard/vulnerability_report_init';
 
-initFirstClassSecurityDashboard(
-  document.getElementById('js-security-report-app'),
-  DASHBOARD_TYPES.PROJECT,
-);
+vulnerabilityReportInit(document.getElementById('js-security-report-app'), DASHBOARD_TYPES.PROJECT);

ee/app/assets/javascripts/pages/security/vulnerabilities/index/index.js

-import initFirstClassSecurityDashboard from 'ee/security_dashboard/first_class_init';
 import { DASHBOARD_TYPES } from 'ee/security_dashboard/store/constants';
+import vulnerabilityReportInit from 'ee/security_dashboard/vulnerability_report_init';
 
-initFirstClassSecurityDashboard(
-  document.getElementById('js-vulnerabilities'),
-  DASHBOARD_TYPES.INSTANCE,
-);
+vulnerabilityReportInit(document.getElementById('js-vulnerabilities'), DASHBOARD_TYPES.INSTANCE);

ee/spec/frontend_integration/security_dashboard/first_class_init_integration_spec.js

-import initVulnerabilityReport from 'ee/security_dashboard/first_class_init';
 import { DASHBOARD_TYPES } from 'ee/security_dashboard/store/constants';
+import initVulnerabilityReport from 'ee/security_dashboard/vulnerability_report_init';
 import { TEST_HOST } from 'helpers/test_constants';
 
 const EMPTY_DIV = document.createElement('div');