Runners cannot be loaded by GraphQL API when they have some null fields
Summary
Some runners cannot be loaded by the GraphQL API when they have null non-nullable fields
Steps to reproduce
Visit: https://staging.gitlab.com/admin/runners?runner_type[]=INSTANCE_TYPE to execute the following query:
What is the current bug behavior?
In this specific example, ipAddress and version are null for some runners, so they cannot be loaded.
What is the expected correct behavior?
The runners can be loaded, even if some data is missing.
Relevant logs and/or screenshots
Possible fixes
Edited by Pedro Pombeiro