[Chats] Number of unread messages in each chat are not shown on the right of the Chat box.

[Rostyk Chelak]

Environment: Android 11, Nexus 6P.
Reproducible: always.
Build found: v1.0.555

Preconditions:
The 'Car' app is opened
The chat is already created

Steps to reproduce

1. Go to the 'Chats'
2. Open any created chat
3. Send a message
4. Switch to another account from the same chat
5. The message is received
6. Go to the 'Chats'

Actual result
The number of unread messages in each chat is not shown on the right of the Chat box

Expected result
The number of unread messages in each chat shall be shown on the right of the Chat box

https://www.figma.com/file/q2QTrUQLmisr90FzvU7HLm/Request-Mockup?node-id=3055%3A5171

User story and test case links
User story #22

Labels to be added
"Bug" ("bug"), Priority ("pri:high ")