Course and Library keys cannot contiain !'()* special characters,
but the JS validation on the new course/library failed to detect
these characters.

`encodeURIComponent` is used to check the string for special characters,
but `encodeURIComponent` does not encode these characters: -_!~*'().
(see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/encodeURIComponent)

The -_~ characters are allowed in course keys, but !'()* are not,
so add an explicit check for these characters to make sure a field
containing these characters does not pass the validation.