fix: remove copy button when not available

[elevatebart]

Closes UNIFY-677

On Firefox, navigator.clipboard only work with https. When it works, it will display the button, if not it will not.

Additionally removed a few intlify warnings

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[JessicaSachs]

Can you fix Shiki, too?

[elevatebart]

@JessicaSachs you got it ;)

[cypress]

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Test summary

18355 • 0 • 218 • 0 • 3

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Run details

Project	cypress
Status	Passed
Commit	eab1a3e
Started	Dec 21, 2021 3:32 PM
Ended	Dec 21, 2021 3:45 PM
Duration	12:23 💡
OS	Linux Debian - 10.10
Browser	Multiple

View run in Cypress Dashboard ➡️

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Flakiness

	commands/net_stubbing_spec.ts		1
1	network stubbing > waiting and aliasing > can timeout waiting on a single request using "alias.request"
	cypress/proxy-logging-spec.ts		2
1	... > works with forceNetworkError
2	Proxy Logging > request logging > xhr log has response body/status code

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