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/label/label.scss

@@ -29,6 +29,7 @@
   color: current-color(base);
 }
 
+:host(.ion-text-wrap),
 :host([text-wrap]) {
   white-space: normal;
 }