Only perform workspace agent config validation on create
What does this MR do and why?
Only perform workspace agent config validation on create
- Fixes issue uncovered by gitlab-com/gl-infra/production#17459 (closed)
MR acceptance checklist
Please evaluate this MR against the MR acceptance checklist. It helps you analyze changes to reduce risks in quality, performance, reliability, security, and maintainability.
How to set up and validate locally
- Create a workspace
- Set the workspace's agent configuration to disabled
- Update the workspace - it should succeed.