Reset border radius when checked #4991

Author: Deniz Toprak

resources/scss/src/form/field/Switch.scss

@@ -45,6 +45,7 @@
             &:after {
                 background-color: var(--switchfield-color-knob);
                 border          : 0;
+                border-radius   : 0;
                 bottom          : 8px;
                 left            : 9px;
                 right           : auto;