Duplicate users when using Javascript SDK to track logged-in users Hi, I'm having issues with duplicate users appearing in Intercom The problem appears to be isolated to users who were previously leads on Intercom that have an 'email' and 'user_id' attributes. It appears that the user_id attribute is automatically created when they are created as leads. When I use the tracking script as follows: Intercom('boot', { app_id: 'abc12345', email: 'john.doe@example.com', created_at: 1234567890, name: 'John Doe',}); It creates a new account for the user, presumably because the use cannot be identified by their email. However when I add their user_id into the tracking script - it stops tracking their sessions altogether. Here is the script I'm using for this: Intercom('boot', { app_id: 'abc12345', email: 'john.do
