Changes from V3:
Makes the Premium pennant clickable.
When the pennant is clicked, the msg that's passed in will fire.
Content that shows when this RadioButton is selected
Fire a message parameterized by the value type when selecting a radio option
Customizations for the RadioButton.
Shows the visible label. This is the default behavior
Adds CSS to the element containing the input.
Adds CSS to the element containing the label text.
Note that these styles don't apply to the literal HTML label element, since it contains the icon SVG as well.
Use this helper to add custom attributes.
Do NOT use this helper to add css styles, as they may not be applied the way
you want/expect if underlying styles change.
Instead, please use the css helper.
Set a custom ID for this text input and label. If you don't set this, we'll automatically generate one from the label you pass in, but this can cause problems if you have more than one radio input with the same label on the page. You might also use this helper if you're manually managing focus.
Sets whether or not the field will be highlighted as having a validation error.
If Just, the field will be highlighted as having a validation error,
and the given error message will be shown.
View a single radio button.