Disable default focus ring

Remove default focus rin on masked text input toggle button.

categories/freeform/react/src/components/MaskedTextInput/index.tsx

@@ -189,7 +189,7 @@ export const MaskedTextInput = React.forwardRef<
           type="button"
           data-testid="indicator"
           className={clsx(
-            'text-center z-[1] flex items-center justify-center aspect-square absolute bottom-0 right-0 select-none text-primary group-focus-within:text-secondary',
+            'text-center z-[1] focus:outline-0 flex items-center justify-center aspect-square absolute bottom-0 right-0 select-none text-primary group-focus-within:text-secondary',
             {
               'w-10': size === 'small',
               'w-12': size === 'medium',