This prevents an unhandled error when a moderator has '' for the currency code in their fixedFee object by validating the model when it's added to the collection. This was causing loading moderators in settings/store to fail.
Now all moderators will be validated before being added to the moderator view, and if they are invalid, they will not be shown.
@rmisio I know you're on vacation, the review here is just so you take a look after you're back. Since this fixes a bug that could break loading moderators, I merged it for the 2.3.8 release.
This prevents an unhandled error when a moderator has '' for the currency code in their fixedFee object by validating the model when it's added to the collection. This was causing loading moderators in settings/store to fail.
Now all moderators will be validated before being added to the moderator view, and if they are invalid, they will not be shown.