fix(kafka topic): display missing columns from topic list

[rkpattnaik780]

Description

Add missing columns to the topic list table (retention period and retention size).

Fixes #459

Verification Steps

1. Run go run ./cmd/rhoas kafka use <instance name> to select a Kafka instance.
2. After an instance is selected, run go run ./cmd/rhoas kafka topic list to view the kafka topics in a tabular list.
3. The Kafka topic list table should have 4 columns - NAME, PARTITIONS, RETENTION TIME and RETENTION SIZE.

Type of change

• Bug fix (non-breaking change which fixes an issue)

Checklist

• Documentation added for the feature
• CI and all relevant tests are passing
• Code Review completed
• Verified independently by reviewer

[craicoverflow]

Documentation added for the feature

Have the guides also been updated?

[wtrocki]

Is there CLI guide there?

[rkpattnaik780]

Will update it in #463