Handle 500 error for GraphQL "configureSast" mutation

Merged Saikat Sarkar requested to merge bug-fix-protect-branch into master

What does this MR do?

Issue: #246738 (closed)

Screenshots

Screen_Shot_2020-10-14_at_4.13.38_PM

Does this MR meet the acceptance criteria?

Conformity

Availability and Testing

Security

If this MR contains changes to processing or storing of credentials or tokens, authorization and authentication methods and other items described in the security review guidelines:

  • [-] Label as security and @ mention @gitlab-com/gl-security/appsec
  • [-] The MR includes necessary changes to maintain consistency between UI, API, email, or other methods
  • [-] Security reports checked/validated by a reviewer from the AppSec team
Edited by Peter Leitzen