Migrate old Pre HD Identity fails at "Identity manager change owner"

[sethfork]

Description
Migrating old Pre HD Identity fails at "Identity manager change owner"
undefined is not an object (evaluating 'u.logs')

To Reproduce

1. Go to 'uPort mobile app v405'
2. Click on 'hamburger dropdown'
3. Click on 'Migrate PreHD'
4. Click on 'Migrate Identity'
5. See error

Expected behavior
This step should complete and then finish the remaining migration steps.

Screenshots

Smartphone (please complete the following information):

• Device: iPhone XS
• OS: iOS 12.1.2
• App: uPort 405

Additional context

[sethfork]

Attempting to verify using the application in it's current state leads to the JWT signature verification error described in #17