[Lens] Fix React duplicate keys warning for identically labeled index patterns

[mbondyra]

Summary

Can be merged now but will work properly once the eui is updated to 17.1.0 (#52688)

Having two identically named index patterns causes react warning:

By passing an optional key parameter to EuiSelectable, key is being used to map through options and not label.

Checklist

Use strikethroughs to remove checklist items you don't feel are applicable to this PR.

• This was checked for cross-browser compatibility, including a check against IE11
• Any text added follows EUI's writing guidelines, uses sentence case text and includes i18n support
• Documentation was added for features that require explanation or tutorials
• Unit or functional tests were updated or added to match the most common scenarios
• This was checked for keyboard-only and screenreader accessibility

For maintainers

• This was checked for breaking API changes and was labeled appropriately
• This includes a feature addition or change that requires a release note and was labeled appropriately

[elasticmachine]

Pinging @elastic/kibana-app (Team:KibanaApp)

[mbondyra]

@elasticmachine merge upstream

[mbondyra]

@elasticmachine merge upstream

[wylieconlon]

LGTM

[mbondyra]

@elasticmachine merge upstream

[elasticmachine]

💚 Build Succeeded

• continuous-integration/kibana-ci/pull-request
• Commit: 351ef6d

History

• 💚 Build #14810 succeeded f8489a4
• 💔 Build #14718 failed 4f71bb0

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@elasticmachine merge upstream