Implement user search functionality and enhance supervisor management UI

generic/filters.py

@@ -144,6 +144,16 @@ class SupervisorFilter(django_filters.FilterSet):
             "site": ["exact"],
         }
 
+    @property
+    def qs(self):
+        parent = super().qs
+
+        if "active" not in self.request.GET:
+            return parent.filter(active=True)
+
+        return parent
+
+
     def __init__(
         self,
         data=None,