fix(spans-migration): add in check for discover split widgets for explore urls (#101199)

sorry yall i forgot to check for discover split transactions widgets 😭 👍

Author: nikkikapadia

src/sentry/api/serializers/models/dashboard.py

@@ -275,7 +275,13 @@ def serialize(self, obj, attrs, user, **kwargs) -> DashboardWidgetResponse:
             widget_type = DashboardWidgetTypes.get_type_name(obj.discover_widget_split)
 
         explore_urls = None
-        if obj.widget_type == DashboardWidgetTypes.TRANSACTION_LIKE and features.has(
+        if (
+            obj.widget_type == DashboardWidgetTypes.TRANSACTION_LIKE
+            or (
+                obj.widget_type == DashboardWidgetTypes.DISCOVER
+                and obj.discover_widget_split == DashboardWidgetTypes.TRANSACTION_LIKE
+            )
+        ) and features.has(
             "organizations:transaction-widget-deprecation-explore-view",
             organization=obj.dashboard.organization,
             actor=user,

tests/sentry/dashboards/endpoints/test_organization_dashboard_details.py

@@ -533,7 +533,7 @@ def test_explore_url_for_table_widget(self) -> None:
             assert params["field"].sort() == ["id", "transaction"].sort()
             assert "aggregateField" not in params
 
-    def test_explore_url_for_widget_with_env_params(self) -> None:
+    def test_explore_url_for_widget_with_discover_split_param(self) -> None:
         with self.feature("organizations:transaction-widget-deprecation-explore-view"):
             dashboard_deprecation = Dashboard.objects.create(
                 title="Dashboard With Transaction Widget",
@@ -547,7 +547,8 @@ def test_explore_url_for_widget_with_env_params(self) -> None:
                 dashboard=dashboard_deprecation,
                 title="transaction widget",
                 display_type=DashboardWidgetDisplayTypes.LINE_CHART,
-                widget_type=DashboardWidgetTypes.TRANSACTION_LIKE,
+                widget_type=DashboardWidgetTypes.DISCOVER,
+                discover_widget_split=DashboardWidgetTypes.TRANSACTION_LIKE,
                 interval="1d",
                 detail={"layout": {"x": 0, "y": 0, "w": 1, "h": 1, "minH": 2}},
             )