For anyone else who hasn't been able to resolve this through the above method, dont hold your breath on resolution via your support ticket. This is what I was sent this morning. It'd be great if someone could inform the cryptic game masters about how the weekend event store is supposed to be unlocking items account-wide.…
Had the same thing happen to me today when I purchased the Prolonged Engagement Phaser, none of the mentioned steps fixed it. Hopefully they can sort this out soon.