chore: add project lead as project member (#1627)

* chore: add project lead as project member

* fix: project member lead create

apiserver/plane/api/views/project.py

@@ -156,6 +156,13 @@ class ProjectViewSet(BaseViewSet):
                     project_id=serializer.data["id"], member=request.user, role=20
                 )
 
+                if serializer.data["project_lead"] is not None:
+                    ProjectMember.objects.create(
+                        project_id=serializer.data["id"],
+                        member_id=serializer.data["project_lead"],
+                        role=20,
+                    )
+
                 # Default states
                 states = [
                     {