SOC-3626 Failed to migrate from Platform 4.0.1 due to null identity's property

Problem analysis
* Some property of old users can be null. NPE throws when loading the profile of such user.

Fix description
* Try/catch to handle this case.
Merge branch 'feature/generic-user-popup' of github.com:exodev/social into feature/generic-user-popup
SOC-3700 | Generic User popup is not shown when hover user's avatar in connection application.