Don't omit milliseconds in Kafka timestamp

[Gleb-Shipilov]

Issue submitter TODO list

• I've searched for an already existing issues here
• I'm running a supported version of the application which is listed here and the feature is not present there

Is your proposal related to a problem?

No response

Describe the feature you're interested in

Prerequisites:

Currently timestamps of messages are limited by seconds
It'd be great to have milliseconds

To do:

Display milliseconds in Kafka timestamps

Acceptance criteria

Timestamps of messages are displayed with milliseconds

Describe alternatives you've considered

No response

Version you're running

2ce0662

Additional context

No response