N°2847 - Rework iTopWebPage layout (WIP Part VII)

- Breadcrumbs: Hide first elements when not enough space to show them all
- iTopWebPage: Temporary fix for modals in order to enable // dev. on the linkedsets refactoring

css/backoffice/components/_breadcrumbs.scss

@@ -29,6 +29,7 @@ $ibo-breadcrumbs--item-separator--text-color: $ibo-color-grey-500 !default;
 
 .ibo-breadcrumbs{
 	@extend %ibo-vertically-centered-content;
+	justify-content: flex-end; /* To hide first elements when there is not enough space to show all */
 
 	* {
 		display: flex;