fix(select-modal): hide focus option's border for ionic theme

Author: OS-martacarlos

core/src/components/select-modal/select-modal.ionic.scss

@@ -11,6 +11,11 @@ ion-item {
   --border-width: 0;
 }
 
+ion-item.ion-focused::part(native)::after {
+  // Your styles for the ::after pseudo element when ion-item is focused
+  border: none;
+}
+
 // Toolbar
 // ----------------------------------------------------------------