[Bug]: Show notice for passwordless login when in http

[kesselb]

Bug description

server/apps/settings/src/components/WebAuthn/WebAuthnSection.vue

Lines 29 to 31 in 31083ca

	<NcNoteCard v-if="!supportsWebauthn" type="warning">
	{{ t('settings', 'Your browser does not support WebAuthn.') }}
	</NcNoteCard>

Steps to reproduce

1. Use nextcloud with http only
2. Visiting settings
3. Wonder why you browser does not support webauth

Expected behavior

We should let the user know that webauthn is only supported in secure context aka https.

Like:

https://github.com/nextcloud/twofactor_webauthn/blob/48a15f58dead55680af0b2a1da772dc2e84ec188/src/components/LoginSetup.vue#L16-L22

Nextcloud Server version

master