FEAT #9305 TIME 1:30 add update in rxjs way

...app/versionUpdate/controllers/VersionUpdateController.php

...versionUpdate/versions-update-administration.component.ts

src/frontend/app/app-common.module.ts

src/frontend/lang/lang-en.ts

src/frontend/lang/lang-fr.ts

src/frontend/lang/lang-nl.ts

src/frontend/plugins/modal/alert.component.html

src/frontend/plugins/modal/alert.component.scss

src/frontend/plugins/modal/alert.component.ts

src/frontend/plugins/modal/confirm.component.html

src/frontend/plugins/modal/confirm.component.scss

src/frontend/plugins/modal/confirm.component.ts