Email validator fails if multiples 'to' addresses are set with spaces in between

[Dannymx]

When exploding the address, if any of them has a space after the comma (ie. test@example.com, test2@example.com) the validator will think the email adddress is invalid, some trimming of white spaces should be applied.

/vendor/web-feet/coasterframework/src/Helpers/Cms/Email.php:24