feat(alert report tabs): adding feature flag (#27773)

RESOURCES/FEATURE_FLAGS.md

@@ -27,6 +27,7 @@ These features are considered **unfinished** and should only be used on developm
 
 [//]: # "PLEASE KEEP THE LIST SORTED ALPHABETICALLY"
 
+- ALERT_REPORT_TABS
 - ENABLE_ADVANCED_DATA_TYPES
 - PRESTO_EXPAND_DATA
 - SHARE_QUERIES_VIA_KV_STORE

superset-frontend/packages/superset-ui-core/src/utils/featureFlags.ts

@@ -24,6 +24,7 @@ export enum FeatureFlag {
   // PLEASE KEEP THE LIST SORTED ALPHABETICALLY
   AlertsAttachReports = 'ALERTS_ATTACH_REPORTS',
   AlertReports = 'ALERT_REPORTS',
+  AlertReportTabs = 'ALERT_REPORT_TABS',
   AllowFullCsvExport = 'ALLOW_FULL_CSV_EXPORT',
   AvoidColorsCollision = 'AVOID_COLORS_COLLISION',
   ChartPluginsExperimental = 'CHART_PLUGINS_EXPERIMENTAL',

superset/config.py

@@ -435,6 +435,7 @@ DEFAULT_FEATURE_FLAGS: dict[str, bool] = {
     "EMBEDDED_SUPERSET": False,
     # Enables Alerts and reports new implementation
     "ALERT_REPORTS": False,
+    "ALERT_REPORT_TABS": False,
     "DASHBOARD_RBAC": False,
     "ENABLE_ADVANCED_DATA_TYPES": False,
     # Enabling ALERTS_ATTACH_REPORTS, the system sends email and slack message