Fix create isssue for container scanning from dashboard issue

Add tests for checking diffent type of array

ee/changelogs/unreleased/fix-cs-create-issue-error-ee.yml

+---
+title: Fix create issue for container scanning from security dashboard
+merge_request: 16226
+author:
+type: fixed

ee/lib/gitlab/vulnerabilities/base_vulnerability.rb

@@ -6,7 +6,7 @@ module Gitlab
       attr_reader :data
 
       def initialize(data)
-        @data = data
+        @data = data.deep_symbolize_keys
       end
 
       # Ensure mandatory properties are defined

ee/spec/lib/gitlab/vulnerabilities/container_scanning_vulnerability_spec.rb

@@ -15,7 +15,7 @@ describe Gitlab::Vulnerabilities::ContainerScanningVulnerability do
       confidence: 'low',
       identifiers: '42',
       links: 'link'
-    }
+    }.with_indifferent_access
   end
 
   describe 'getters' do