[O11y][AWS EC2] Lens Migration

[milan-elastic]

Manually/Automatic partially migrate AWS EC2 visualizations to the lens in the current Kibana version 8.7.1 itself.

Preparation of data for testing

• Use sample_event.json / setup live instance using docker / mock data using a mock server to populate dashboards

Migration stats

AWS EC2 Dashboards	Before Migration				After Migration
	Maps	Search	Lens	Visualization	Maps	Search	Lens	Visualization
[Metrics AWS] EC2 Overview	0	0	0	8	0	0	8	0
[Logs AWS] Guardduty Findings Overview	0	1	4	0	0	1	4	0

Dashboard : [Metrics AWS] EC2 Overview

• Migrate 8 visualization to the lens.
  • [AWS] Migrate EC2 metrics dashboard to lenses #5626

Verification and Validation

• Verification of functionality remains the same after migration in Kibana
• Verification of data count of after-migrated visualization with before-migrated visualization in Kibana
• Verification of Dashboards is not distorted in the supported Kibana version 8.7.0

[harnish-crest-data]

PR is approved and merged, hence closing this issue