fix(VulnerabilityTab): Update vulnerability selection logic to use a consistent key format

Author: aaryan359

src/app/[locale]/projects/detail/[id]/components/VulnerabilityTab.tsx

@@ -46,6 +46,9 @@ const formatVulnerabilityHistory = (comment: string): string =>
 type EmbeddedProjectVulnerabilities = Embedded<ProjectVulnerability, 'sw360:vulnerabilityDTOes'>
 type EmbeddedProjectVulnerabilitySummary = Embedded<ProjectVulnerability, 'sw360:vulnerabilitySummaries'>
 
+const getVulnerabilitySelectionKey = (vulnerability: ProjectVulnerability): string =>
+    `${vulnerability.intReleaseId}::${vulnerability.externalId}`
+
 export default function VulnerabilityTab({
     projectData,
     tabType,
@@ -89,9 +92,9 @@ export default function VulnerabilityTab({
                     <input
                         className='form-check-input'
                         type='checkbox'
-                        checked={selectedVulnerabilities.has(row.original.externalId ?? '')}
+                        checked={selectedVulnerabilities.has(getVulnerabilitySelectionKey(row.original))}
                         onChange={() =>
-                            handleSelect(row.original.externalId, {
+                            handleSelect(getVulnerabilitySelectionKey(row.original), {
                                 intReleaseId: row.original.intReleaseId,
                                 externalId: row.original.externalId,
                             })