Prevent instance user leak in calendar invitation suggestions

			if (query.length > 0) {

				const promises = [

					this.findAttendeesFromContactsAPI(query),

					this.findAttendeesFromDAV(query),

				]

				const [contactsResults, davResults] = await Promise.all(promises)

				const [contactsResults] = await Promise.all(promises)

				matches.push(...contactsResults)

				matches.push(...davResults)

				// Source of the Regex: https://stackoverflow.com/a/46181

				// eslint-disable-next-line