Steemdb has had problems with the account's feed lately
Yesterday it just showed transfer info , so comments and votes did not appear for many hours
Anyway steemdb or even steemit are just showing blockchain info
So to be sure, you should check directly there
The convert transaction was included at block 13604385
You can check it here:

So for my understanding this is the proof that conversion was started https://steemdb.com/block/13604386