FEAT #13441 TIME 0:40 Fix indexing model lang + lang

...app/indexingModel/controllers/IndexingModelController.php

...indexingModel/indexing-models-administration.component.ts

...inistration/template/template-administration.component.ts

src/frontend/lang/lang-en.ts

src/frontend/lang/lang-fr.ts

src/frontend/lang/lang-nl.ts