Fix active state on multiselect crumb

Author: LyraGhost

app/design/adminhtml/Magento/backend/web/css/source/actions/_actions-multiselect.less

@@ -285,10 +285,15 @@
             }
 
             &:active {
+                padding: 0;
                 transform: scale(.9);
+                
+                &:before {
+                    font-size: 1em;
+                }
             }
 
-            &:before {
+            &:before{
                 font-size: 1em;
             }
         }