You can actually do this.
After sending your invitation, on the "Share the event page"...
 1. On the left side of the screen, (under "Share the event - Pending", click on the middle button: "Share event" (in between the "Confirm event" and "More" buttons).
 2. Copy the "Schedule a 1-on-1" link and paste it into a private / incognito browser window, but one which is not logged in to Vyte.
 3. Type the invitee's name and email address.
 4. Vote as that person.

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