[O11y][Redis Enterprise] Add description in Lens Migration

[rajvi-patel-22]

Description

Add panel description in Redis Enterprise migrated panels.

The description tooltip doesn't support for lens in Kibana older versions. However, It will be added in Kibana 8.7.

Checklist

• Add description for panels
  • [O11y][Redis Enterprise] Add description for panels  #5737

Related Issue

• [Lens] [Visualize] edit panel title and description from within editor kibana#140637

[rajvi-patel-22]

PR is approved and merged, hence closing this issue: #5737