[FEATURE] Deleting detectors should delete all related dashboards (in…

…cluding index-patterns and visualisations) opensearch-project#509

Signed-off-by: Jovan Cvetkovic <[email protected]>

public/store/DetectorsStore.tsx

@@ -25,6 +25,7 @@ export interface IDetectorsStore {
   setState: (state: IDetectorsState, history: RouteComponentProps['history']) => void;
   getState: () => IDetectorsState | undefined;
   deleteState: () => void;
+  clearNotifications: () => void;
   resolvePendingCreationRequest: () => Promise<{
     detectorId?: string;
     dashboardId?: string;