Insert `uuid` values on Security::Finding creation

ee/app/services/security/store_findings_metadata_service.rb

@@ -44,6 +44,7 @@ module Security
       {
         severity: report_finding.severity,
         confidence: report_finding.confidence,
+        uuid: report_finding.uuid,
         project_fingerprint: report_finding.project_fingerprint,
         scanner: persisted_scanner_for(report_finding.scanner),
         position: position

ee/spec/services/security/store_findings_metadata_service_spec.rb

@@ -40,6 +40,7 @@ RSpec.describe Security::StoreFindingsMetadataService do
         expect { store_findings }.to change { security_scan.findings.count }.by(2)
                                  .and change { security_scan.findings.first&.severity }.to(security_finding_1.severity.to_s)
                                  .and change { security_scan.findings.first&.confidence }.to(security_finding_1.confidence.to_s)
+                                 .and change { security_scan.findings.first&.uuid }.to(security_finding_1.uuid)
                                  .and change { security_scan.findings.first&.project_fingerprint }.to(security_finding_1.project_fingerprint)
                                  .and change { security_scan.findings.first&.position }.to(0)
                                  .and change { security_scan.findings.last&.position }.to(1)