[FIX] web: KanbanDashboard: correctly align favorite star

Since commit fbfc0dc63c that reworked the scss of the KanbanView,
the favorite icon in dashboards was no longer aligned with the
text (for instance, in the Project dashboard). This commit fixes
the issue.

closes odoo/odoo#99503

Related: odoo/enterprise#31033
Signed-off-by: Aaron Bohy (aab) <aab@odoo.com>
Co-authored-by: Brieuc-brd <brd@odoo.com>

addons/web/static/src/views/kanban/kanban_dashboard.scss

@@ -207,7 +207,7 @@
 
     .o_favorite {
         @include o-position-absolute(
-            $top: var(--KanbanRecord-padding-v),
+            $top: 3px,
             $left: calc(var(--KanbanRecord-padding-h) - #{$o-horizontal-padding})
         );
         padding: $o-kanban-record-margin;