Prototype improved audit log UI

[zmb3]

Proof of concept for a new approach that @roraback and I were brainstorming to get rid of the large amount of square brackets in the audit log UI.

Before:

After:

The intent is that we would use the "icon + bold text" approach on anything we want to highlight (users, resources, etc)

[aws-amplify-us-west-2]

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[ryanclark]

nit:

Suggested change

	if (user) {
	return (
	<Box>
	<User user={user} /> requested an MFA authentication challenge
	</Box>
	);
	} else {
	return <>Passwordless user requested an MFA authentication challenge</>;
	}
	if (user) {
	return (
	<Box>
	<User user={user} /> requested an MFA authentication challenge
	</Box>
	);
	}
	return <>Passwordless user requested an MFA authentication challenge</>;