Issue #3200631 by mherchel, Gauravmahlawat: Olivero: jQuery UI dialog's select...

Issue #3200631 by mherchel, Gauravmahlawat: Olivero: jQuery UI dialog's select elements do not contain dropdown chevron in Safari

core/themes/olivero/css/components/cke-dialog.css

@@ -11,9 +11,9 @@
  */
 
 select.cke_dialog_ui_input_select {
-  -webkit-appearance: auto;
-  -moz-appearance: auto;
-  appearance: auto
+  -webkit-appearance: menulist;
+  -moz-appearance: menulist;
+  appearance: menulist
 }
 
 select.cke_dialog_ui_input_select::-ms-expand {

core/themes/olivero/css/components/cke-dialog.pcss.css

@@ -4,7 +4,7 @@
  */
 
 select.cke_dialog_ui_input_select {
-  appearance: auto;
+  appearance: menulist;
 
   &::-ms-expand {
     display: block;