fix(checkbox): disabled toggle should not fire events or animate

Author: epetre

src/components/toggle/toggle.ts

@@ -175,7 +175,7 @@ export class Toggle implements AfterContentInit, ControlValueAccessor, OnDestroy
 
 
   private _setChecked(isChecked: boolean) {
-    if (isChecked !== this._checked) {
+    if (!this._disabled && isChecked !== this._checked) {
       this._checked = isChecked;
       if (this._init) {
         this.ionChange.emit(this);