feat(invite) add email autocomplete in invite (#14610)
* feat(invite) add email value in peopleSearchQueryTypes and peopleSearchToken config
* feat(invite) pass custom auth token in search directory (e. g. for email directory)
* feat(invite) autocomplete and invitations working with custom auth token (e. g. email invite type), invite icons updated
* feat(invite) remove newly documented config from undocumented settings list
* feat(invite) jwt are now passed in the invite requests headers
* feat(invite) linter-related formatting
* feat(invite) fix default user icon regression
* feat(invite) last lint issues
* feat(invite) pass alternate token in header, not in params
* Fixes lint error
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Co-authored-by: Raphaël Badawi <raphael.badawi@ceo-vision.com>
Co-authored-by: Дамян Минков <damencho@jitsi.org>