FEAT #12764 TIME 9 front visa workflow + notification on top

src/frontend/app/app.module.ts

src/frontend/app/notification.service.ts

src/frontend/app/process/process.component.html

src/frontend/app/process/process.component.ts

...app/visa/addVisaModel/add-visa-model-modal.component.html

...app/visa/addVisaModel/add-visa-model-modal.component.scss

...d/app/visa/addVisaModel/add-visa-model-modal.component.ts

src/frontend/app/visa/visa-workflow.component.html

src/frontend/app/visa/visa-workflow.component.scss

src/frontend/app/visa/visa-workflow.component.ts

src/frontend/lang/lang-en.ts

src/frontend/lang/lang-fr.ts

src/frontend/lang/lang-nl.ts

src/frontend/service/functions.service.ts