Broker: Config: Implement search by the Value

[BulatKha]

Actual behavior

It is not possible to search by the config Value and only works for the Key now.

Expected behavior
Search by the config Value can be useful for maintenance and troubleshooting.

Set up

f4e6afe

Steps to Reproduce

1. Login to Kafka UI
2. Navigate to Borkers
3. Select broker and switch to Configs tab.

Screenshots

Additional context

Discussed with @Haarolean to be created as a separate issue from #2651

[malavmevada]

@Haarolean I would like to contribute to this issue.