Check that activation's current release is valid
Check that activation's current release is valid

When creating an Update record, and a previous version is not provided,
we attempt to grab the previous version from the activation directly.
When doing this, we need to make sure that the activation has a release
before grabbing the version number.

iron-bound-designs/exchange-addon-licensing,iron-bound-designs/exchange-addon-licensing,iron-bound-designs/exchange-addon-licensing