Fix server error when using securityScanners type

Gal Katzrequested to merge
gkatz_fix_cyclonedx_causing_500 into master

What does this MR do and why?

Fix server error when using securityScanners field under project type

Changelog: fixed
EE: true

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Related to Bug: Project securityScans graphql field causin... (#565116 - closed) • Gal Katz • 18.6

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