[Discover] Address issue with defaultColumns when changing data views

[jughosta]

• Closes [Discover] Default Columns do not always apply with switching Data Views #168581

Summary

This PR re-adds default columns when changing data views. Only columns which are present in the data view will be re-added.

For testing: configure some fields for defaultColumns on Advanced Settings page and test switching data views on Discover page.

Checklist

• Unit or functional tests were updated or added to match the most common scenarios
• This was checked for cross-browser compatibility

[kibana-ci]

💚 Build Succeeded

• Buildkite Build
• Commit: 6425036

Metrics [docs]

Async chunks

Total size of all lazy-loaded chunks that will be downloaded as the user navigates the app

id	before	after	diff
discover	590.3KB	590.3KB	+85.0B

History

• 💔 Build #175698 failed c24c844
• 💛 Build #175649 was flaky de4bc15
• 💚 Build #175430 succeeded 2e5a6eb
• 💔 Build #175388 failed a40409b
• 💔 Build #175355 failed f84df9b
• 💔 Build #168254 failed fd2c19d

To update your PR or re-run it, just comment with:
@elasticmachine merge upstream

cc @jughosta

[elasticmachine]

Pinging @elastic/kibana-data-discovery (Team:DataDiscovery)

[pheyos]

kbn-test changes LGTM

[davismcphee]

Code changes look good, and I tested locally and ran the new functional tests and everything worked as expected according to #168581 👍 LGTM and thanks for fixing it!