Merge branch 'add-referrer-to-pageview-event-7.4' into add-referrer-to-pageview-event-7.6.0-next

Author: artlowel

src/app/core/services/browser.referrer.service.ts

@@ -1,7 +1,7 @@
 import { ReferrerService } from './referrer.service';
 import { Observable } from 'rxjs';
 import { map } from 'rxjs/operators';
-import { isEmpty, hasNoValue } from '../../shared/empty.util';
+import { hasNoValue } from '../../shared/empty.util';
 import { URLCombiner } from '../url-combiner/url-combiner';
 import { Inject, Injectable } from '@angular/core';
 import { DOCUMENT } from '@angular/common';

src/app/submission/sections/cc-license/submission-section-cc-licenses.component.html

@@ -128,7 +128,7 @@ <h5>
       <div>
         {{ 'submission.sections.ccLicense.link' | translate }}
       </div>
-      <a class="license-link" href="{{ licenseLink }}" target="_blank" rel="noopener">
+      <a class="license-link" href="{{ licenseLink }}" target="_blank" rel="noopener noreferrer">
         {{ licenseLink }}
       </a>
       <div class="m-2">