[FIX] product: colored background in catalog

Before odoo/odoo#135502, the background of a record was colored if it
has some quantities or if it is read only, but this detail was lost.
This commit fixes that.

closes odoo/odoo#140255

Related: odoo/enterprise#49808
Signed-off-by: Antoine Vandevenne (anv) <anv@odoo.com>

addons/product/static/src/product_catalog/kanban_record.xml

@@ -8,7 +8,7 @@
              t-on-click="onGlobalClick"
              t-ref="root">
             <div class="d-flex flex-column h-100"
-                 t-att-class="{'o_product_added': productCatalogData.quantity}">
+                 t-att-class="{'o_product_added': productCatalogData.quantity || productCatalogData.readOnly}">
                 <t t-call="{{ templates[this.constructor.KANBAN_BOX_ATTRIBUTE] }}"
                    t-call-context="this.renderingContext"/>
                 <t t-component="orderLineComponent" productId="props.record.resId" t-props="productCatalogData"/>

addons/product/static/src/product_catalog/order_line/order_line.scss

@@ -10,7 +10,7 @@ div.o_product_catalog_quantity {
     }
 }
 
-.o_product_kanban_view .o_kanban_renderer .o_kanban_record .o_product_added {
+.o_kanban_view .o_kanban_renderer .o_kanban_record .o_product_added {
     background-color: $o-component-active-bg;
     border-color: $o-component-active-border;
 }