feat: wording changes

...e-form/structure-contact/structure-contact.component.html

...nt/structure-digital-helping-accompaniment.component.html

.../structure-equipments/structure-equipments.component.html

...ents/information-screen/information-screen.component.html

...components/needs-selection/needs-selection.component.html

...l-components/needs-selection/needs-selection.component.ts

...march/online-demarch-common/online-demarch.component.html

src/app/header/header.component.html

...etter-subscription/newsletter-subscription.component.html

src/app/services/user.service.ts

...onents/structure-details/structure-details.component.html

...pp/structure/structure-join/structure-join.component.html

src/app/structure/structure-join/structure-join.component.ts