fix(label): include the ion-text-wrap class styles for larger font (#18374)

- updates all e2e tests to use the CSS classes instead of attributes

core/src/components/picker/test/basic/index.html

@@ -20,7 +20,7 @@
       </ion-toolbar>
     </ion-header>
 
-    <ion-content padding>
+    <ion-content class="ion-padding">
       <ion-button id="basic" expand="block" onclick="presentPicker()">Show Picker</ion-button>
       <ion-button id="custom" expand="block" onclick="presentPicker('my-custom-class')">Show Custom Picker</ion-button>
     </ion-content>