fix: add airgapped certification to istio, jaeger, and kiali

[nataliepina]

What problem does this PR solve?:
Istio, Jaeger, and Kiali are available in airgapped environments.
Link to discussion - https://nutanix.slack.com/archives/C068HGFS19B/p1737181472843889

Which issue(s) does this PR fix?:

https://jira.nutanix.com/browse/NCN-105312

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

Istio, Jaeger, and Kiali will have a badge indicating they are available in airgapped environments.

Checklist

• If the PR adds a version bump, ensure there is no breaking change in Licensing model (or NA).
• If a chart is changed or app configuration is significantly changed, the chart version is correctly incremented (so that apps are not automatically upgraded from a previous version of DKP).

[github-actions]

✅ Created Kommander branch to test kommander-applications changes: https://github.com/mesosphere/kommander/tree/kapps/main/apps-missing-airgapped-cert

[coveralls]

Pull Request Test Coverage Report for Build 12891004647

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 51.703%

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Totals
Change from base Build 12871382284:	0.0%
Covered Lines:	167
Relevant Lines:	323

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💛 - Coveralls

[guillermoz-nutanix]

Is this change only cosmetic?

I mean, how we decide if an app would make it to the final airgapped bundle? Can't we use the same data to show the corresponding badge, instead of having to keep two fields in sync?

[mhrabovcin]

Thanks @nataliepina !