Fix issue with displaying solution actions

ee/app/helpers/vulnerabilities_helper.rb

@@ -15,7 +15,7 @@ module VulnerabilitiesHelper
       new_issue_url: new_issue_url_for(vulnerability),
       create_jira_issue_url: create_jira_issue_url_for(vulnerability),
       related_jira_issues_path: project_integrations_jira_issues_path(vulnerability.project, vulnerability_ids: [vulnerability.id]),
-      has_mr: !!vulnerability.finding.merge_request_feedback.try(:merge_request_iid),
+      has_mr: !!vulnerability.finding.merge_request_feedback.try(:merge_request_id),
       create_mr_url: create_vulnerability_feedback_merge_request_path(vulnerability.finding.project),
       discussions_url: discussions_project_security_vulnerability_path(vulnerability.project, vulnerability),
       notes_url: project_security_vulnerability_notes_path(vulnerability.project, vulnerability),

ee/changelogs/unreleased/fix-vuln-helper.yml

+---
+title: Fix issue with displaying solution actions
+merge_request: 50648
+author:
+type: fixed

ee/spec/helpers/vulnerabilities_helper_spec.rb

@@ -144,6 +144,22 @@ RSpec.describe VulnerabilitiesHelper do
         expect(subject[:pipeline]).to be_nil
       end
     end
+
+    describe '[:has_mr]' do
+      subject { helper.vulnerability_details(vulnerability, pipeline)[:has_mr] }
+
+      context 'with existing merge request feedback' do
+        before do
+          create(:vulnerability_feedback, :merge_request, project: project, pipeline: pipeline, project_fingerprint: finding.project_fingerprint)
+        end
+
+        it { is_expected.to be_truthy }
+      end
+
+      context 'without feedback' do
+        it { is_expected.to be_falsey }
+      end
+    end
   end
 
   describe '#create_jira_issue_url_for' do