Fix the ARIA-role on the Toggle Component

[trickpatty]

Issue type

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• bug report
• feature request

Issue description

Current behavior:
The toggle component uses an aria-role of "switcher".

Expected behavior:
The correct role should instead be "switch". See https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA/ARIA_Techniques for details.

Steps to reproduce:

Related code:
See toggle.component.ts

<input type="checkbox"
             class="native-input visually-hidden"
             role="switch"
             [attr.aria-checked]="checked"
             [disabled]="disabled"
             [checked]="checked"
             (change)="updateValue($event)"
             (blur)="onTouched()"
             (click)="onInputClick($event)">