FIX #11720 #13339 TIME 0:20 duplicates + export fixes

dist/index.html

dist/main.ac21237c2a523ca7747e.js

.../contact/contact-duplicate/contact-duplicate.component.ts

...-duplicate/manage-duplicate/manage-duplicate.component.ts

.../contact/group/contacts-group-administration.component.ts

...istration/contact/list/export/contact-export.component.ts

...on/contact/page/contacts-page-administration.component.ts

...parameter/contacts-parameters-administration.component.ts

.../app/contact/contact-detail/contact-detail.component.html

.../app/contact/contact-detail/contact-detail.component.scss

...nd/app/contact/contact-detail/contact-detail.component.ts

src/frontend/lang/lang-en.ts

src/frontend/lang/lang-fr.ts

src/frontend/lang/lang-nl.ts