refactor(switch): small refactor to the switch theme mixin

PiperOrigin-RevId: 448586813

Author: material-web-copybara

components/switch/lib/_switch-handle-theme.scss

@@ -51,23 +51,12 @@ $_unselected: '.md3-switch--unselected';
   border-end-end-radius: map.get($theme, handle-shape-end-end);
   border-end-start-radius: map.get($theme, handle-shape-end-start);
 
-  @include _handle-size(
-    (
-      handle-height: map.get($theme, handle-height),
-      handle-width: map.get($theme, handle-width),
-      unselected-handle-height: map.get($theme, unselected-handle-height),
-      unselected-handle-width: map.get($theme, unselected-handle-width),
-      selected-handle-height: map.get($theme, selected-handle-height),
-      selected-handle-width: map.get($theme, selected-handle-width),
-      pressed-handle-height: map.get($theme, pressed-handle-height),
-      pressed-handle-width: map.get($theme, pressed-handle-width),
-    )
-  );
+  @include _handle-size($theme);
 }
 
-@mixin _handle-size($sizes) {
-  height: map.get($sizes, handle-height);
-  width: map.get($sizes, handle-width);
+@mixin _handle-size($theme) {
+  height: map.get($theme, handle-height);
+  width: map.get($theme, handle-width);
 
   // TODO(b/230484095): Use token instead of hard coded values
   #{$_selected} &,
@@ -77,9 +66,7 @@ $_unselected: '.md3-switch--unselected';
   #{$_unselected} & {
     transform: scale(0.8);
   }
-  #{$_selected}:enabled:active & {
-    transform: scale(1.4);
-  }
+  #{$_selected}:enabled:active &,
   #{$_unselected}:enabled:active & {
     transform: scale(1.4);
   }