[FIX] web: breadcrumb ellipsis

Going to My profile (user menu item when hr installed), the user name
is not fully displayed in the breadcrumb although there is enough space
to display it. We fix that by removing a rule that has become apparently
useless.

closes odoo/odoo#102408

Signed-off-by: Aaron Bohy (aab) <aab@odoo.com>

addons/web/static/src/search/control_panel/control_panel.scss

@@ -83,7 +83,7 @@
         font-size: 18px;
 
         > li {
-            @include o-text-overflow($max-width: 90%);
+            @include o-text-overflow();
         }
 
         @include media-breakpoint-down(md) {