fix(tap-click): works inside shadow-dom

adds private ion-activable attribute

fixes #15128

core/src/components/segment-button/segment-button.tsx

@@ -62,7 +62,7 @@ export class SegmentButton {
         'segment-button-disabled': disabled,
         'segment-checked': checked,
       },
-      'tappable': true,
+      'ion-activable': true,
     };
   }