EUI 55.1.1 patch release for Kibana 8.3

[1Copenut]

Documenting issues that impact the global nav change in Kibana. Not really necessary quite yet but keeping a record in case it becomes necessary.

Must have

• [EuiFlyout] Enable shards for scoping element clicks; Optionally delay close event #5860

[1Copenut]

Closed by https://github.com/elastic/eui/releases/tag/v55.1.1