Avoid adding password and email to schemas when disableLocalStrategy …

[lucianogreiner]

…is on

Description

Remove automatic password and email fields from GraphQL schema when disableLocalStrategy is on.

• [ ] I have read and understand the CONTRIBUTING.md document in this repository

Type of change

• [x] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [ ] This change requires a documentation update

Checklist:

• [ ] I have added tests that prove my fix is effective or that my feature works
• [x] Existing test suite passes locally with my changes
• [ ] I have made corresponding changes to the documentation