chore: tidy ico sprite

...p/annuaire/annuaire-header/annuaire-header.component.html

src/app/annuaire/result-list/result-list.component.html

src/app/form/footer-form/footer-form.component.html

...-structure-choice/profile-structure-choice.component.html

...ew/global-components/navigation/navigation.component.html

src/app/models/structure.model.ts

.../post/components/post-details/post-details.component.html

...pp/post/components/post-header/post-header.component.html

.../post/components/post-publish/post-publish.component.html

src/app/profile/edit/edit.component.html

...sonal-offer-edition/personal-offer-edition.component.html

...le-structure/personal-offer/personal-offer.component.html

...rofile/profile-structure/profile-structure.component.html

src/app/profile/profile.component.html

...-edition-summary/structure-edition-summary.component.html

...rs-management/structure-members-management.component.html

...tructures-management/structures-management.component.html

src/app/shared/components/button/button.component.html

src/app/shared/components/go-back/go-back.component.ts

.../shared/components/hour-picker/hour-picker.component.html