review changes of "add custom icon in toggle" PR

Author: AbdullahAhmadAAK

core/src/components/toggle/test/states/index.html

@@ -62,8 +62,6 @@ <h2>Checked</h2>
 
           <ion-toggle enable-on-off-labels="true" checked-icon="heart" unchecked-icon="close" checked="true">Icons Toggle</ion-toggle>
 
-
-
           <div class="grid-item">
             <h2>Disabled, Unchecked</h2>
             <ion-toggle disabled="true">Enable Notifications</ion-toggle>

core/src/components/toggle/toggle.md.scss

@@ -64,14 +64,9 @@
 }
 
 .toggle-inner .toggle-switch-icon {
+@include padding(1px);
 width: var(--on-off-label-icon-size);
-height: var(--on-off-label-icon-size);
-min-width: var(--on-off-label-icon-size);
-min-height: var(--on-off-label-icon-size);
-display: block;
-opacity: 0.86;
-transition: transform $toggle-md-transition-duration, opacity $toggle-md-transition-duration, color $toggle-md-transition-duration;
-}
+height: var(--on-off-label-icon-size);}
 
 // Material Design Toggle: Disabled
 // ----------------------------------------------------------