mysterious double slash in token item-view should be corrected.

Observe the 40th second and how the double-slash disappears in a while.

[record_2020-06-22-11-42-40.webm.gz](https://github.com/AlphaWallet/alpha-wallet-android/files/4810777/record_2020-06-22-11-42-40.webm.gz)

Also assigning to @AW-STJ in case JB thinks STJ's side of people can handle this.

P.S. this recording is done with the add-icons branch but this problem is successfully reproduced on master too (only not recorded).