FEAT #13671 TIME 1:20 add useradmin creation + fix some issues

...nd/app/installer/customization/customization.component.ts

src/frontend/app/installer/database/database.component.ts

...frontend/app/installer/docservers/docservers.component.ts

...pp/installer/install-action/install-action.component.html

.../app/installer/install-action/install-action.component.ts

...tend/app/installer/prerequisite/prerequisite.component.ts

src/frontend/app/installer/types.ts

src/frontend/app/installer/useradmin/useradmin.component.ts

src/frontend/lang/lang-fr.ts