FEAT #8972 change label button if sending + fix pdf worker src

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

src/frontend/app/modal/confirm-modal.component.html

src/frontend/app/modal/confirm-modal.component.ts

src/frontend/app/modal/warn-modal.component.html

src/frontend/app/modal/warn-modal.component.ts

src/frontend/app/profile/profile.component.html

src/frontend/app/profile/profile.component.ts