Kibana version: 7.7.0-snapshot

Elasticsearch version: 7.7.0-snapshot

Server OS version:

Browser version:

Browser OS version:

Original install method (e.g. download page, yum, from source, etc.):

Describe the bug: The parameter name in the UI here is apparently wrong. If you use this parameter name in your kibana.yml Kibana won't start.
FATAL Error: Unknown configuration key(s): "xpack.encrypted_saved_objects.encryptionKey". Check for spelling errors and ensure that expected plugins are installed.

Either the UI should be corrected to show xpack.encryptedSavedObjects.encryptionKey
or the code should be updated to expect the parameter showed in the UI xpack.encrypted_saved_objects.encryptionKey

Steps to reproduce:
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Expected behavior:

Screenshots (if relevant):

Errors in browser console (if relevant):

Provide logs and/or server output (if relevant):

Any additional context: