Add distinct

Author: cmanallen

src/sentry/api/endpoints/organization_releases.py

@@ -342,7 +342,9 @@ def get(self, request: Request, organization) -> Response:
 
         select_extra = {}
         if flatten:
-            queryset = queryset.filter(projects__id__in=filter_params["project_id"])
+            # NOTE: Do a deeper dive on this. What is this _for_project_id value? Was the author's
+            # intent that distinct would return multiple unique rows per project per release?
+            queryset = queryset.filter(projects__id__in=filter_params["project_id"]).distinct()
             select_extra["_for_project_id"] = "sentry_release_project.project_id"
         else:
             queryset = filter_releases_by_projects(queryset, filter_params["project_id"])