fix(dashboards): prebuilt dashboards not syncing titles

src/sentry/dashboards/endpoints/organization_dashboards.py

@@ -100,7 +100,8 @@ class PrebuiltDashboard(TypedDict):
 def sync_prebuilt_dashboards(organization: Organization) -> None:
     """
     Queries the database to check if prebuilt dashboards have a Dashboard record and
-    creates them if they don't, or deletes them if they should no longer exist.
+    creates them if they don't, updates titles if they've changed, or deletes them
+    if they should no longer exist.
     """
 
     with transaction.atomic(router.db_for_write(Dashboard)):
@@ -109,22 +110,28 @@ def sync_prebuilt_dashboards(organization: Organization) -> None:
             prebuilt_id__isnull=False,
         )
 
-        saved_prebuilt_dashboard_ids = set(
-            saved_prebuilt_dashboards.values_list("prebuilt_id", flat=True)
-        )
+        saved_prebuilt_dashboard_map = {d.prebuilt_id: d for d in saved_prebuilt_dashboards}
 
-        # Create prebuilt dashboards if they don't exist
+        # Create prebuilt dashboards if they don't exist, or update titles if changed
+        dashboards_to_update: list[Dashboard] = []
         for prebuilt_dashboard in PREBUILT_DASHBOARDS:
             prebuilt_id: PrebuiltDashboardId = prebuilt_dashboard["prebuilt_id"]
 
-            if prebuilt_id not in saved_prebuilt_dashboard_ids:
+            if prebuilt_id not in saved_prebuilt_dashboard_map:
                 # Create new dashboard
                 Dashboard.objects.create(
                     organization=organization,
                     title=prebuilt_dashboard["title"],
                     created_by_id=None,
                     prebuilt_id=prebuilt_id,
                 )
+            elif saved_prebuilt_dashboard_map[prebuilt_id].title != prebuilt_dashboard["title"]:
+                # Update title if changed
+                saved_prebuilt_dashboard_map[prebuilt_id].title = prebuilt_dashboard["title"]
+                dashboards_to_update.append(saved_prebuilt_dashboard_map[prebuilt_id])
+
+        if dashboards_to_update:
+            Dashboard.objects.bulk_update(dashboards_to_update, ["title"])
 
         # Delete old prebuilt dashboards if they should no longer exist
         prebuilt_ids = [d["prebuilt_id"] for d in PREBUILT_DASHBOARDS]