fix created and modified logic

Signed-off-by: tdruez <tdruez@aboutcode.org>

Author: tdruez

product_portfolio/templates/product_portfolio/tabs/tab_packages_vulnerabilities.html

@@ -130,9 +130,9 @@
                     <div class="small text-body-tertiary mt-1 pt-1 border-top">
                       <i class="fas fa-bolt text-warning fa-xs me-1"></i>{% trans "Auto-applied:" %} {{ analysis.applied_by_preset.name }}
                     </div>
-                  {% elif analysis.last_modified_by %}
+                  {% elif analysis.last_modified_by or analysis.created_by %}
                     <div class="small text-body-tertiary mt-1 pt-1 border-top">
-                      <i class="fas fa-user fa-xs me-1"></i>{{ analysis.last_modified_by }}
+                      <i class="fas fa-user fa-xs me-1"></i>{{ analysis.last_modified_by|default:analysis.created_by }}
                       &middot; {{ analysis.last_updated|date:"M j, Y" }}
                     </div>
                   {% endif %}

product_portfolio/views.py

@@ -1382,7 +1382,7 @@ def get_context_data(self, **kwargs):
 
         base_productpackage_qs = product.get_vulnerable_productpackages(risk_threshold)
         vulnerability_analyses_qs = VulnerabilityAnalysis.objects.select_related(
-            "last_modified_by", "applied_by_preset"
+            "created_by", "last_modified_by", "applied_by_preset"
         )
         vulnerability_qs = Vulnerability.objects.prefetch_related(
             Prefetch("vulnerability_analyses", queryset=vulnerability_analyses_qs)