fix(admin-ui): Fix overflow in channel assignment block (#2984)

packages/admin-ui/src/lib/catalog/src/components/product-detail/product-detail.component.scss

@@ -53,7 +53,7 @@ vdr-action-bar clr-toggle-wrapper {
 
 .channel-assignment {
     flex-wrap: wrap;
-    max-height: 144px;
+    min-height: 24px;
 }
 
 .pagination-row {