FEAT #11691 TIME 1 add control required in create attachment

...hments/attachment-create/attachment-create.component.html

...hments/attachment-create/attachment-create.component.scss

...achments/attachment-create/attachment-create.component.ts

src/frontend/app/viewer/document-viewer.component.ts

src/frontend/lang/lang-en.ts

src/frontend/lang/lang-fr.ts

src/frontend/lang/lang-nl.ts