fix: use proper transition with objects for avatars

[paoloricciuti]

What type of Pull Request is this?

Delete all options except for the one that applies

• Bug fix

What is the current behavior?

The view transition currently doesn't work if you have multiple avatar of the same channel on the same page

Issue Number: N/A

What is the new behavior?

• by using the proper object syntax the transition is much more snappier and it works even if other lists have the same channel avatar

Other information

[w3cj]

lgtm