Allow customization of html doc title with a prefix

[kertal]

Summary

Experimental PR, just an idea. Having to deal with multiple Kibanas in parallel (local master, functional test server, cloud instances, local docker instances, ...) can lead to find-the-right-browser-tab situations. So why not making the html document title configureable by allowing a prefix?

Before:

After:

Checklist

Delete any items that are not applicable to this PR.

• 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
• This renders correctly on smaller devices using a responsive layout. (You can test this in your browser
• This was checked for cross-browser compatibility

For maintainers

• This was checked for breaking API changes and was labeled appropriately

[marius-dr]

I can see use for this not only for us. I recall customers asking for help on differentiating between different Kibana instances.

[kibanamachine]

💔 Build Failed

• continuous-integration/kibana-ci/pull-request
• Commit: f31e775
• Pipeline Steps (look for red circles / failed steps)
• Interpreting CI Failures

Failed CI Steps

• Execute kibana-intake
• Report failed tests, if necessary

Build metrics

async chunks size

id	value	diff	baseline
infra	3.6MB	-42.0B	3.6MB
monitoring	1.1MB	+10.0B	1.1MB
triggers_actions_ui	725.8KB	-21.0B	725.8KB
total	-	-53.0B	-

page load bundle size

id	value	diff	baseline
core	1.2MB	-1.2KB	1.2MB
data	1.4MB	+9.0B	1.4MB
lens	841.0KB	-21.0B	841.0KB
total	-	-1.2KB	-

History

• 💔 Build #65743 failed 1127b07

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[kertal]

Closing, because this should be solved like suggested in #35210