App holds the old username when giving a +1

I've changed my username from `maciej.korsan` to `korsi` (before using the app) 
when I'm receiving a `+1` it's added up to my new username, but when I'm giving a `+1` it shows my old username with (0)  

<img width="427" alt="Screenshot 2021-09-27 at 14 41 24" src="https://user-images.githubusercontent.com/655235/134910018-988136d0-7aba-42f0-bfde-d62cc84ef721.png">
