R1:f6af1c437424

When creating a Phriction document, mark initial transactions as "create" transactions to fix weird email

Summary:
Ref T13289. When you create a Phriction document, you currently get an email with the whole new content as a "diff".

You also get extra transactions in the email and on the page.

This is because Phriction isn't on EditEngine and doesn't mark "create" transactions in a modern way. Get them marked properly to fix these obviously-broken behaviors. This can all go away once Phriction switches…